Home / 16,743.38-25,115.12-12,531.07

Finding the Fourth Proportional to 16,743.38, 25,115.12 and 12,531.07

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Solution

The fourth proportional to 16,743.38, 25,115.12 and 12,531.07 is: 18,796.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,743.38 : 25,115.12 = 12,531.07 : x
  2. Step 2: Convert to fraction form
    16,743.38/25,115.12 = 12,531.07/x
  3. Step 3: Cross multiply
    16,743.38x = 25,115.12 × 12,531.07
  4. Step 4: Simplify right side
    16,743.38x = 314,719,138.55
  5. Step 5: Solve for x
    x = 314,719,138.55/16,743.38
  6. Step 6: Final answer
    x = 18,796.63

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1.5x scale

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.