Home / 11,837.52-17,743.79-3,937.92

Finding the Fourth Proportional to 11,837.52, 17,743.79 and 3,937.92

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Solution

The fourth proportional to 11,837.52, 17,743.79 and 3,937.92 is: 5,902.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,837.52 : 17,743.79 = 3,937.92 : x
  2. Step 2: Convert to fraction form
    11,837.52/17,743.79 = 3,937.92/x
  3. Step 3: Cross multiply
    11,837.52x = 17,743.79 × 3,937.92
  4. Step 4: Simplify right side
    11,837.52x = 69,873,568.82
  5. Step 5: Solve for x
    x = 69,873,568.82/11,837.52
  6. Step 6: Final answer
    x = 5,902.72

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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.