Home / 14,892.22-20,551.17-8,177.71

Finding the Fourth Proportional to 14,892.22, 20,551.17 and 8,177.71

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Solution

The fourth proportional to 14,892.22, 20,551.17 and 8,177.71 is: 11,285.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,892.22 : 20,551.17 = 8,177.71 : x
  2. Step 2: Convert to fraction form
    14,892.22/20,551.17 = 8,177.71/x
  3. Step 3: Cross multiply
    14,892.22x = 20,551.17 × 8,177.71
  4. Step 4: Simplify right side
    14,892.22x = 168,061,508.42
  5. Step 5: Solve for x
    x = 168,061,508.42/14,892.22
  6. Step 6: Final answer
    x = 11,285.19

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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.