Home / 15,424-23,134.28-4,331.12

Finding the Fourth Proportional to 15,424, 23,134.28 and 4,331.12

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Solution

The fourth proportional to 15,424, 23,134.28 and 4,331.12 is: 6,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,424 : 23,134.28 = 4,331.12 : x
  2. Step 2: Convert to fraction form
    15,424/23,134.28 = 4,331.12/x
  3. Step 3: Cross multiply
    15,424x = 23,134.28 × 4,331.12
  4. Step 4: Simplify right side
    15,424x = 100,197,342.79
  5. Step 5: Solve for x
    x = 100,197,342.79/15,424
  6. Step 6: Final answer
    x = 6,496.20

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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.