Home / 9,936.76-14,906.82-4,091.80

Finding the Fourth Proportional to 9,936.76, 14,906.82 and 4,091.80

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Solution

The fourth proportional to 9,936.76, 14,906.82 and 4,091.80 is: 6,138.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,936.76 : 14,906.82 = 4,091.80 : x
  2. Step 2: Convert to fraction form
    9,936.76/14,906.82 = 4,091.80/x
  3. Step 3: Cross multiply
    9,936.76x = 14,906.82 × 4,091.80
  4. Step 4: Simplify right side
    9,936.76x = 60,995,726.08
  5. Step 5: Solve for x
    x = 60,995,726.08/9,936.76
  6. Step 6: Final answer
    x = 6,138.39

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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.