Home / 18,498.38-27,747.56-6,186.38

Finding the Fourth Proportional to 18,498.38, 27,747.56 and 6,186.38

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Solution

The fourth proportional to 18,498.38, 27,747.56 and 6,186.38 is: 9,279.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,498.38 : 27,747.56 = 6,186.38 : x
  2. Step 2: Convert to fraction form
    18,498.38/27,747.56 = 6,186.38/x
  3. Step 3: Cross multiply
    18,498.38x = 27,747.56 × 6,186.38
  4. Step 4: Simplify right side
    18,498.38x = 171,656,826.96
  5. Step 5: Solve for x
    x = 171,656,826.96/18,498.38
  6. Step 6: Final answer
    x = 9,279.56

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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.