Home / 15,002.64-22,505.76-5,143.68

Finding the Fourth Proportional to 15,002.64, 22,505.76 and 5,143.68

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Solution

The fourth proportional to 15,002.64, 22,505.76 and 5,143.68 is: 7,716.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,002.64 : 22,505.76 = 5,143.68 : x
  2. Step 2: Convert to fraction form
    15,002.64/22,505.76 = 5,143.68/x
  3. Step 3: Cross multiply
    15,002.64x = 22,505.76 × 5,143.68
  4. Step 4: Simplify right side
    15,002.64x = 115,762,427.60
  5. Step 5: Solve for x
    x = 115,762,427.60/15,002.64
  6. Step 6: Final answer
    x = 7,716.14

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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.