Home / 11,519.00-17,273.16-4,121.75

Finding the Fourth Proportional to 11,519.00, 17,273.16 and 4,121.75

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Solution

The fourth proportional to 11,519.00, 17,273.16 and 4,121.75 is: 6,180.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519.00 : 17,273.16 = 4,121.75 : x
  2. Step 2: Convert to fraction form
    11,519.00/17,273.16 = 4,121.75/x
  3. Step 3: Cross multiply
    11,519.00x = 17,273.16 × 4,121.75
  4. Step 4: Simplify right side
    11,519.00x = 71,195,560.86
  5. Step 5: Solve for x
    x = 71,195,560.86/11,519.00
  6. Step 6: Final answer
    x = 6,180.71

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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.