Home / 15,292.38-22,942.17-4,761.90

Finding the Fourth Proportional to 15,292.38, 22,942.17 and 4,761.90

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Solution

The fourth proportional to 15,292.38, 22,942.17 and 4,761.90 is: 7,143.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,292.38 : 22,942.17 = 4,761.90 : x
  2. Step 2: Convert to fraction form
    15,292.38/22,942.17 = 4,761.90/x
  3. Step 3: Cross multiply
    15,292.38x = 22,942.17 × 4,761.90
  4. Step 4: Simplify right side
    15,292.38x = 109,248,319.32
  5. Step 5: Solve for x
    x = 109,248,319.32/15,292.38
  6. Step 6: Final answer
    x = 7,143.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.