Home / 18,874.08-28,281.60-11,934

Finding the Fourth Proportional to 18,874.08, 28,281.60 and 11,934

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Solution

The fourth proportional to 18,874.08, 28,281.60 and 11,934 is: 17,882.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,874.08 : 28,281.60 = 11,934 : x
  2. Step 2: Convert to fraction form
    18,874.08/28,281.60 = 11,934/x
  3. Step 3: Cross multiply
    18,874.08x = 28,281.60 × 11,934
  4. Step 4: Simplify right side
    18,874.08x = 337,512,614.40
  5. Step 5: Solve for x
    x = 337,512,614.40/18,874.08
  6. Step 6: Final answer
    x = 17,882.33

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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.