Home / 10,961.09-16,444.88-3,169.97

Finding the Fourth Proportional to 10,961.09, 16,444.88 and 3,169.97

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Solution

The fourth proportional to 10,961.09, 16,444.88 and 3,169.97 is: 4,755.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.09 : 16,444.88 = 3,169.97 : x
  2. Step 2: Convert to fraction form
    10,961.09/16,444.88 = 3,169.97/x
  3. Step 3: Cross multiply
    10,961.09x = 16,444.88 × 3,169.97
  4. Step 4: Simplify right side
    10,961.09x = 52,129,760.40
  5. Step 5: Solve for x
    x = 52,129,760.40/10,961.09
  6. Step 6: Final answer
    x = 4,755.89

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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.