Home / 18,275.73-27,414.96-5,129.12

Finding the Fourth Proportional to 18,275.73, 27,414.96 and 5,129.12

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Solution

The fourth proportional to 18,275.73, 27,414.96 and 5,129.12 is: 7,694.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,275.73 : 27,414.96 = 5,129.12 : x
  2. Step 2: Convert to fraction form
    18,275.73/27,414.96 = 5,129.12/x
  3. Step 3: Cross multiply
    18,275.73x = 27,414.96 × 5,129.12
  4. Step 4: Simplify right side
    18,275.73x = 140,614,668.94
  5. Step 5: Solve for x
    x = 140,614,668.94/18,275.73
  6. Step 6: Final answer
    x = 7,694.07

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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.