Home / 11,781.92-16,259.33-6,476.85

Finding the Fourth Proportional to 11,781.92, 16,259.33 and 6,476.85

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Solution

The fourth proportional to 11,781.92, 16,259.33 and 6,476.85 is: 8,938.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.92 : 16,259.33 = 6,476.85 : x
  2. Step 2: Convert to fraction form
    11,781.92/16,259.33 = 6,476.85/x
  3. Step 3: Cross multiply
    11,781.92x = 16,259.33 × 6,476.85
  4. Step 4: Simplify right side
    11,781.92x = 105,309,257.70
  5. Step 5: Solve for x
    x = 105,309,257.70/11,781.92
  6. Step 6: Final answer
    x = 8,938.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.