Home / 11,835.62-17,747.96-4,434.78

Finding the Fourth Proportional to 11,835.62, 17,747.96 and 4,434.78

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Solution

The fourth proportional to 11,835.62, 17,747.96 and 4,434.78 is: 6,650.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,835.62 : 17,747.96 = 4,434.78 : x
  2. Step 2: Convert to fraction form
    11,835.62/17,747.96 = 4,434.78/x
  3. Step 3: Cross multiply
    11,835.62x = 17,747.96 × 4,434.78
  4. Step 4: Simplify right side
    11,835.62x = 78,708,275.87
  5. Step 5: Solve for x
    x = 78,708,275.87/11,835.62
  6. Step 6: Final answer
    x = 6,650.12

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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.