Home / 11,937.20-17,899.65-5,357.75

Finding the Fourth Proportional to 11,937.20, 17,899.65 and 5,357.75

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Solution

The fourth proportional to 11,937.20, 17,899.65 and 5,357.75 is: 8,033.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,937.20 : 17,899.65 = 5,357.75 : x
  2. Step 2: Convert to fraction form
    11,937.20/17,899.65 = 5,357.75/x
  3. Step 3: Cross multiply
    11,937.20x = 17,899.65 × 5,357.75
  4. Step 4: Simplify right side
    11,937.20x = 95,901,760.29
  5. Step 5: Solve for x
    x = 95,901,760.29/11,937.20
  6. Step 6: Final answer
    x = 8,033.86

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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.