Home / 15,002.24-22,478.72-5,136.14

Finding the Fourth Proportional to 15,002.24, 22,478.72 and 5,136.14

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Solution

The fourth proportional to 15,002.24, 22,478.72 and 5,136.14 is: 7,695.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,002.24 : 22,478.72 = 5,136.14 : x
  2. Step 2: Convert to fraction form
    15,002.24/22,478.72 = 5,136.14/x
  3. Step 3: Cross multiply
    15,002.24x = 22,478.72 × 5,136.14
  4. Step 4: Simplify right side
    15,002.24x = 115,453,883.46
  5. Step 5: Solve for x
    x = 115,453,883.46/15,002.24
  6. Step 6: Final answer
    x = 7,695.78

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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.