Solving Proportions Worksheets
Find the missing number in each proportion.
Solving Proportions
Name:Date:Score:
Solve each proportion for the missing number (cross-multiply, or spot the scale factor).
- 19 = 6356
- 223 = 12
- 37 = 2828
- 422 = 10
- 569 = 18
- 67 = 1418
- 744 = 36
- 82 = 4914
- 962 = 36
- 1084 = 8
- 112 = 1224
- 1258 = 32
Printable Worksheets for Kids · printableworksheetsforkids.pages.dev
Solving Proportions
Name:Date:Score:
Solve each proportion for the missing number (cross-multiply, or spot the scale factor).
- 14 = 1628
- 294 = 36
- 34 = 3616
- 46 = 248
- 516 = 30
- 629 = 54
- 74 = 4536
- 872 = 21
- 993 = 15
- 1086 = 36
- 1118 = 2
- 127 = 5624
Printable Worksheets for Kids · printableworksheetsforkids.pages.dev
Solving Proportions
Name:Date:Score:
Solve each proportion for the missing number (cross-multiply, or spot the scale factor).
- 13 = 66
- 29 = 8190
- 37 = 4949
- 49 = 4072
- 575 = 28
- 64 = 1212
- 76 = 2024
- 838 = 6
- 949 = 36
- 108 = 4040
- 1126 = 8
- 1275 = 49
Printable Worksheets for Kids · printableworksheetsforkids.pages.dev
Answer key — Sheet A (12 answers)
- 1. 8
- 2. 18
- 3. 7
- 4. 10
- 5. 12
- 6. 9
- 7. 36
- 8. 7
- 9. 12
- 10. 16
- 11. 4
- 12. 20
Answer key — Sheet B (12 answers)
- 1. 7
- 2. 81
- 3. 9
- 4. 2
- 5. 5
- 6. 12
- 7. 5
- 8. 6
- 9. 45
- 10. 48
- 11. 16
- 12. 3
Answer key — Sheet C (12 answers)
- 1. 3
- 2. 10
- 3. 7
- 4. 5
- 5. 20
- 6. 4
- 7. 5
- 8. 16
- 9. 81
- 10. 8
- 11. 24
- 12. 35
About this skill
Spot the scale factor between the known terms, or cross-multiply and divide.
How to teach it
- Use tables to scale both parts of a ratio.
- Check proportions by cross-multiplying.
- Ask: what number do I multiply by to go from one ratio to the other?
Mistakes to watch for
- Adding the same number to both parts instead of multiplying.
