Home / 11,930.10-17,887.25-5,691.07

Finding the Fourth Proportional to 11,930.10, 17,887.25 and 5,691.07

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Solution

The fourth proportional to 11,930.10, 17,887.25 and 5,691.07 is: 8,532.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.10 : 17,887.25 = 5,691.07 : x
  2. Step 2: Convert to fraction form
    11,930.10/17,887.25 = 5,691.07/x
  3. Step 3: Cross multiply
    11,930.10x = 17,887.25 × 5,691.07
  4. Step 4: Simplify right side
    11,930.10x = 101,797,629.59
  5. Step 5: Solve for x
    x = 101,797,629.59/11,930.10
  6. Step 6: Final answer
    x = 8,532.84

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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.