Home / 18,324.26-27,486.50-5,176.75

Finding the Fourth Proportional to 18,324.26, 27,486.50 and 5,176.75

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Solution

The fourth proportional to 18,324.26, 27,486.50 and 5,176.75 is: 7,765.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,324.26 : 27,486.50 = 5,176.75 : x
  2. Step 2: Convert to fraction form
    18,324.26/27,486.50 = 5,176.75/x
  3. Step 3: Cross multiply
    18,324.26x = 27,486.50 × 5,176.75
  4. Step 4: Simplify right side
    18,324.26x = 142,290,683.10
  5. Step 5: Solve for x
    x = 142,290,683.10/18,324.26
  6. Step 6: Final answer
    x = 7,765.15

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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.