Home / 11,780.54-17,650.04-6,221.61

Finding the Fourth Proportional to 11,780.54, 17,650.04 and 6,221.61

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Solution

The fourth proportional to 11,780.54, 17,650.04 and 6,221.61 is: 9,321.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.54 : 17,650.04 = 6,221.61 : x
  2. Step 2: Convert to fraction form
    11,780.54/17,650.04 = 6,221.61/x
  3. Step 3: Cross multiply
    11,780.54x = 17,650.04 × 6,221.61
  4. Step 4: Simplify right side
    11,780.54x = 109,811,634.26
  5. Step 5: Solve for x
    x = 109,811,634.26/11,780.54
  6. Step 6: Final answer
    x = 9,321.44

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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.