Home / 21,562.46-29,755.94-12,002.18

Finding the Fourth Proportional to 21,562.46, 29,755.94 and 12,002.18

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Solution

The fourth proportional to 21,562.46, 29,755.94 and 12,002.18 is: 16,562.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,562.46 : 29,755.94 = 12,002.18 : x
  2. Step 2: Convert to fraction form
    21,562.46/29,755.94 = 12,002.18/x
  3. Step 3: Cross multiply
    21,562.46x = 29,755.94 × 12,002.18
  4. Step 4: Simplify right side
    21,562.46x = 357,135,939.16
  5. Step 5: Solve for x
    x = 357,135,939.16/21,562.46
  6. Step 6: Final answer
    x = 16,562.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.