Home / 18,558.38-27,839.19-4,707.38

Finding the Fourth Proportional to 18,558.38, 27,839.19 and 4,707.38

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Solution

The fourth proportional to 18,558.38, 27,839.19 and 4,707.38 is: 7,061.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,558.38 : 27,839.19 = 4,707.38 : x
  2. Step 2: Convert to fraction form
    18,558.38/27,839.19 = 4,707.38/x
  3. Step 3: Cross multiply
    18,558.38x = 27,839.19 × 4,707.38
  4. Step 4: Simplify right side
    18,558.38x = 131,049,646.22
  5. Step 5: Solve for x
    x = 131,049,646.22/18,558.38
  6. Step 6: Final answer
    x = 7,061.48

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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.