Home / 18,255.30-27,387.03-6,568.50

Finding the Fourth Proportional to 18,255.30, 27,387.03 and 6,568.50

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Solution

The fourth proportional to 18,255.30, 27,387.03 and 6,568.50 is: 9,854.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.30 : 27,387.03 = 6,568.50 : x
  2. Step 2: Convert to fraction form
    18,255.30/27,387.03 = 6,568.50/x
  3. Step 3: Cross multiply
    18,255.30x = 27,387.03 × 6,568.50
  4. Step 4: Simplify right side
    18,255.30x = 179,891,706.56
  5. Step 5: Solve for x
    x = 179,891,706.56/18,255.30
  6. Step 6: Final answer
    x = 9,854.22

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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.