Home / 18,324.48-27,487.88-5,177.87

Finding the Fourth Proportional to 18,324.48, 27,487.88 and 5,177.87

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Solution

The fourth proportional to 18,324.48, 27,487.88 and 5,177.87 is: 7,767.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,324.48 : 27,487.88 = 5,177.87 : x
  2. Step 2: Convert to fraction form
    18,324.48/27,487.88 = 5,177.87/x
  3. Step 3: Cross multiply
    18,324.48x = 27,487.88 × 5,177.87
  4. Step 4: Simplify right side
    18,324.48x = 142,328,505.89
  5. Step 5: Solve for x
    x = 142,328,505.89/18,324.48
  6. Step 6: Final answer
    x = 7,767.12

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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.