Home / 11,778.97-17,668.36-3,013.87

Finding the Fourth Proportional to 11,778.97, 17,668.36 and 3,013.87

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Solution

The fourth proportional to 11,778.97, 17,668.36 and 3,013.87 is: 4,520.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.97 : 17,668.36 = 3,013.87 : x
  2. Step 2: Convert to fraction form
    11,778.97/17,668.36 = 3,013.87/x
  3. Step 3: Cross multiply
    11,778.97x = 17,668.36 × 3,013.87
  4. Step 4: Simplify right side
    11,778.97x = 53,250,140.15
  5. Step 5: Solve for x
    x = 53,250,140.15/11,778.97
  6. Step 6: Final answer
    x = 4,520.78

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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.