Home / 18,125.06-27,190.08-5,645.97

Finding the Fourth Proportional to 18,125.06, 27,190.08 and 5,645.97

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Solution

The fourth proportional to 18,125.06, 27,190.08 and 5,645.97 is: 8,469.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125.06 : 27,190.08 = 5,645.97 : x
  2. Step 2: Convert to fraction form
    18,125.06/27,190.08 = 5,645.97/x
  3. Step 3: Cross multiply
    18,125.06x = 27,190.08 × 5,645.97
  4. Step 4: Simplify right side
    18,125.06x = 153,514,375.98
  5. Step 5: Solve for x
    x = 153,514,375.98/18,125.06
  6. Step 6: Final answer
    x = 8,469.73

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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.