Home / 10,459.62-15,691.90-3,439.66

Finding the Fourth Proportional to 10,459.62, 15,691.90 and 3,439.66

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Solution

The fourth proportional to 10,459.62, 15,691.90 and 3,439.66 is: 5,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,459.62 : 15,691.90 = 3,439.66 : x
  2. Step 2: Convert to fraction form
    10,459.62/15,691.90 = 3,439.66/x
  3. Step 3: Cross multiply
    10,459.62x = 15,691.90 × 3,439.66
  4. Step 4: Simplify right side
    10,459.62x = 53,974,754.34
  5. Step 5: Solve for x
    x = 53,974,754.34/10,459.62
  6. Step 6: Final answer
    x = 5,160.30

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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.