Home / 18,724.38-25,839.51-10,340.88

Finding the Fourth Proportional to 18,724.38, 25,839.51 and 10,340.88

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Solution

The fourth proportional to 18,724.38, 25,839.51 and 10,340.88 is: 14,270.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724.38 : 25,839.51 = 10,340.88 : x
  2. Step 2: Convert to fraction form
    18,724.38/25,839.51 = 10,340.88/x
  3. Step 3: Cross multiply
    18,724.38x = 25,839.51 × 10,340.88
  4. Step 4: Simplify right side
    18,724.38x = 267,203,272.17
  5. Step 5: Solve for x
    x = 267,203,272.17/18,724.38
  6. Step 6: Final answer
    x = 14,270.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.