Home / 10,616.68-15,927.90-3,691.72

Finding the Fourth Proportional to 10,616.68, 15,927.90 and 3,691.72

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Solution

The fourth proportional to 10,616.68, 15,927.90 and 3,691.72 is: 5,538.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,616.68 : 15,927.90 = 3,691.72 : x
  2. Step 2: Convert to fraction form
    10,616.68/15,927.90 = 3,691.72/x
  3. Step 3: Cross multiply
    10,616.68x = 15,927.90 × 3,691.72
  4. Step 4: Simplify right side
    10,616.68x = 58,801,346.99
  5. Step 5: Solve for x
    x = 58,801,346.99/10,616.68
  6. Step 6: Final answer
    x = 5,538.58

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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.