Home / 18,327.38-25,291.80-9,943.88

Finding the Fourth Proportional to 18,327.38, 25,291.80 and 9,943.88

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Solution

The fourth proportional to 18,327.38, 25,291.80 and 9,943.88 is: 13,722.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327.38 : 25,291.80 = 9,943.88 : x
  2. Step 2: Convert to fraction form
    18,327.38/25,291.80 = 9,943.88/x
  3. Step 3: Cross multiply
    18,327.38x = 25,291.80 × 9,943.88
  4. Step 4: Simplify right side
    18,327.38x = 251,498,497.73
  5. Step 5: Solve for x
    x = 251,498,497.73/18,327.38
  6. Step 6: Final answer
    x = 13,722.56

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1.5x scale

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.