Home / 18,229.38-27,345.58-5,081.88

Finding the Fourth Proportional to 18,229.38, 27,345.58 and 5,081.88

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Solution

The fourth proportional to 18,229.38, 27,345.58 and 5,081.88 is: 7,623.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.38 : 27,345.58 = 5,081.88 : x
  2. Step 2: Convert to fraction form
    18,229.38/27,345.58 = 5,081.88/x
  3. Step 3: Cross multiply
    18,229.38x = 27,345.58 × 5,081.88
  4. Step 4: Simplify right side
    18,229.38x = 138,966,956.09
  5. Step 5: Solve for x
    x = 138,966,956.09/18,229.38
  6. Step 6: Final answer
    x = 7,623.24

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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.