Home / 15,440.68-23,160.85-3,753.91

Finding the Fourth Proportional to 15,440.68, 23,160.85 and 3,753.91

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Solution

The fourth proportional to 15,440.68, 23,160.85 and 3,753.91 is: 5,630.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,440.68 : 23,160.85 = 3,753.91 : x
  2. Step 2: Convert to fraction form
    15,440.68/23,160.85 = 3,753.91/x
  3. Step 3: Cross multiply
    15,440.68x = 23,160.85 × 3,753.91
  4. Step 4: Simplify right side
    15,440.68x = 86,943,679.14
  5. Step 5: Solve for x
    x = 86,943,679.14/15,440.68
  6. Step 6: Final answer
    x = 5,630.82

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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.