Home / 18,249.08-27,376.50-7,863.80

Finding the Fourth Proportional to 18,249.08, 27,376.50 and 7,863.80

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Solution

The fourth proportional to 18,249.08, 27,376.50 and 7,863.80 is: 11,796.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,249.08 : 27,376.50 = 7,863.80 : x
  2. Step 2: Convert to fraction form
    18,249.08/27,376.50 = 7,863.80/x
  3. Step 3: Cross multiply
    18,249.08x = 27,376.50 × 7,863.80
  4. Step 4: Simplify right side
    18,249.08x = 215,283,320.70
  5. Step 5: Solve for x
    x = 215,283,320.70/18,249.08
  6. Step 6: Final answer
    x = 11,796.94

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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.