Home / 11,780.83-17,650.49-6,221.94

Finding the Fourth Proportional to 11,780.83, 17,650.49 and 6,221.94

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Solution

The fourth proportional to 11,780.83, 17,650.49 and 6,221.94 is: 9,321.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.83 : 17,650.49 = 6,221.94 : x
  2. Step 2: Convert to fraction form
    11,780.83/17,650.49 = 6,221.94/x
  3. Step 3: Cross multiply
    11,780.83x = 17,650.49 × 6,221.94
  4. Step 4: Simplify right side
    11,780.83x = 109,820,289.75
  5. Step 5: Solve for x
    x = 109,820,289.75/11,780.83
  6. Step 6: Final answer
    x = 9,321.95

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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.