Home / 10,677.88-16,016.82-5,480.44

Finding the Fourth Proportional to 10,677.88, 16,016.82 and 5,480.44

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Solution

The fourth proportional to 10,677.88, 16,016.82 and 5,480.44 is: 8,220.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,677.88 : 16,016.82 = 5,480.44 : x
  2. Step 2: Convert to fraction form
    10,677.88/16,016.82 = 5,480.44/x
  3. Step 3: Cross multiply
    10,677.88x = 16,016.82 × 5,480.44
  4. Step 4: Simplify right side
    10,677.88x = 87,779,221.00
  5. Step 5: Solve for x
    x = 87,779,221.00/10,677.88
  6. Step 6: Final answer
    x = 8,220.66

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Similar ratio
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1.5x scale

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.