Home / 11,177.17-16,768.35-3,279.37

Finding the Fourth Proportional to 11,177.17, 16,768.35 and 3,279.37

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Solution

The fourth proportional to 11,177.17, 16,768.35 and 3,279.37 is: 4,919.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.17 : 16,768.35 = 3,279.37 : x
  2. Step 2: Convert to fraction form
    11,177.17/16,768.35 = 3,279.37/x
  3. Step 3: Cross multiply
    11,177.17x = 16,768.35 × 3,279.37
  4. Step 4: Simplify right side
    11,177.17x = 54,989,531.90
  5. Step 5: Solve for x
    x = 54,989,531.90/11,177.17
  6. Step 6: Final answer
    x = 4,919.81

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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.