Home / 17,337.30-23,919-11,372.28

Finding the Fourth Proportional to 17,337.30, 23,919 and 11,372.28

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Solution

The fourth proportional to 17,337.30, 23,919 and 11,372.28 is: 15,689.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,337.30 : 23,919 = 11,372.28 : x
  2. Step 2: Convert to fraction form
    17,337.30/23,919 = 11,372.28/x
  3. Step 3: Cross multiply
    17,337.30x = 23,919 × 11,372.28
  4. Step 4: Simplify right side
    17,337.30x = 272,013,565.32
  5. Step 5: Solve for x
    x = 272,013,565.32/17,337.30
  6. Step 6: Final answer
    x = 15,689.50

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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.