Home / 11,177.03-16,764.52-3,781.56

Finding the Fourth Proportional to 11,177.03, 16,764.52 and 3,781.56

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Solution

The fourth proportional to 11,177.03, 16,764.52 and 3,781.56 is: 5,671.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.03 : 16,764.52 = 3,781.56 : x
  2. Step 2: Convert to fraction form
    11,177.03/16,764.52 = 3,781.56/x
  3. Step 3: Cross multiply
    11,177.03x = 16,764.52 × 3,781.56
  4. Step 4: Simplify right side
    11,177.03x = 63,396,019.34
  5. Step 5: Solve for x
    x = 63,396,019.34/11,177.03
  6. Step 6: Final answer
    x = 5,671.99

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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.