Home / 10,134.74-15,180.92-8,149.64

Finding the Fourth Proportional to 10,134.74, 15,180.92 and 8,149.64

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Solution

The fourth proportional to 10,134.74, 15,180.92 and 8,149.64 is: 12,207.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134.74 : 15,180.92 = 8,149.64 : x
  2. Step 2: Convert to fraction form
    10,134.74/15,180.92 = 8,149.64/x
  3. Step 3: Cross multiply
    10,134.74x = 15,180.92 × 8,149.64
  4. Step 4: Simplify right side
    10,134.74x = 123,718,916.22
  5. Step 5: Solve for x
    x = 123,718,916.22/10,134.74
  6. Step 6: Final answer
    x = 12,207.41

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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.