Home / 11,279.96-16,919.94-3,488.60

Finding the Fourth Proportional to 11,279.96, 16,919.94 and 3,488.60

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Solution

The fourth proportional to 11,279.96, 16,919.94 and 3,488.60 is: 5,232.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.96 : 16,919.94 = 3,488.60 : x
  2. Step 2: Convert to fraction form
    11,279.96/16,919.94 = 3,488.60/x
  3. Step 3: Cross multiply
    11,279.96x = 16,919.94 × 3,488.60
  4. Step 4: Simplify right side
    11,279.96x = 59,026,902.68
  5. Step 5: Solve for x
    x = 59,026,902.68/11,279.96
  6. Step 6: Final answer
    x = 5,232.90

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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.