Home / 11,861.82-16,370.24-6,557.13

Finding the Fourth Proportional to 11,861.82, 16,370.24 and 6,557.13

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Solution

The fourth proportional to 11,861.82, 16,370.24 and 6,557.13 is: 9,049.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,861.82 : 16,370.24 = 6,557.13 : x
  2. Step 2: Convert to fraction form
    11,861.82/16,370.24 = 6,557.13/x
  3. Step 3: Cross multiply
    11,861.82x = 16,370.24 × 6,557.13
  4. Step 4: Simplify right side
    11,861.82x = 107,341,759.03
  5. Step 5: Solve for x
    x = 107,341,759.03/11,861.82
  6. Step 6: Final answer
    x = 9,049.35

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Similar ratio
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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.