Home / 11,177.06-16,768.19-3,279.26

Finding the Fourth Proportional to 11,177.06, 16,768.19 and 3,279.26

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Solution

The fourth proportional to 11,177.06, 16,768.19 and 3,279.26 is: 4,919.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.06 : 16,768.19 = 3,279.26 : x
  2. Step 2: Convert to fraction form
    11,177.06/16,768.19 = 3,279.26/x
  3. Step 3: Cross multiply
    11,177.06x = 16,768.19 × 3,279.26
  4. Step 4: Simplify right side
    11,177.06x = 54,987,163.90
  5. Step 5: Solve for x
    x = 54,987,163.90/11,177.06
  6. Step 6: Final answer
    x = 4,919.65

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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.