Home / 10,507.62-15,761.76-3,932.55

Finding the Fourth Proportional to 10,507.62, 15,761.76 and 3,932.55

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Solution

The fourth proportional to 10,507.62, 15,761.76 and 3,932.55 is: 5,898.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,507.62 : 15,761.76 = 3,932.55 : x
  2. Step 2: Convert to fraction form
    10,507.62/15,761.76 = 3,932.55/x
  3. Step 3: Cross multiply
    10,507.62x = 15,761.76 × 3,932.55
  4. Step 4: Simplify right side
    10,507.62x = 61,983,909.29
  5. Step 5: Solve for x
    x = 61,983,909.29/10,507.62
  6. Step 6: Final answer
    x = 5,898.95

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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.