Home / 15,876.39-23,819.52-6,517.17

Finding the Fourth Proportional to 15,876.39, 23,819.52 and 6,517.17

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Solution

The fourth proportional to 15,876.39, 23,819.52 and 6,517.17 is: 9,777.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,876.39 : 23,819.52 = 6,517.17 : x
  2. Step 2: Convert to fraction form
    15,876.39/23,819.52 = 6,517.17/x
  3. Step 3: Cross multiply
    15,876.39x = 23,819.52 × 6,517.17
  4. Step 4: Simplify right side
    15,876.39x = 155,235,861.16
  5. Step 5: Solve for x
    x = 155,235,861.16/15,876.39
  6. Step 6: Final answer
    x = 9,777.78

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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.