Home / 10,167.38-15,327.28-9,490.02

Finding the Fourth Proportional to 10,167.38, 15,327.28 and 9,490.02

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Solution

The fourth proportional to 10,167.38, 15,327.28 and 9,490.02 is: 14,306.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167.38 : 15,327.28 = 9,490.02 : x
  2. Step 2: Convert to fraction form
    10,167.38/15,327.28 = 9,490.02/x
  3. Step 3: Cross multiply
    10,167.38x = 15,327.28 × 9,490.02
  4. Step 4: Simplify right side
    10,167.38x = 145,456,193.75
  5. Step 5: Solve for x
    x = 145,456,193.75/10,167.38
  6. Step 6: Final answer
    x = 14,306.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.