Home / 18,249.18-27,377.88-5,769.96

Finding the Fourth Proportional to 18,249.18, 27,377.88 and 5,769.96

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Solution

The fourth proportional to 18,249.18, 27,377.88 and 5,769.96 is: 8,656.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,249.18 : 27,377.88 = 5,769.96 : x
  2. Step 2: Convert to fraction form
    18,249.18/27,377.88 = 5,769.96/x
  3. Step 3: Cross multiply
    18,249.18x = 27,377.88 × 5,769.96
  4. Step 4: Simplify right side
    18,249.18x = 157,969,272.48
  5. Step 5: Solve for x
    x = 157,969,272.48/18,249.18
  6. Step 6: Final answer
    x = 8,656.24

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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.