Home / 11,279.46-16,919.19-3,488.10

Finding the Fourth Proportional to 11,279.46, 16,919.19 and 3,488.10

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Solution

The fourth proportional to 11,279.46, 16,919.19 and 3,488.10 is: 5,232.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.46 : 16,919.19 = 3,488.10 : x
  2. Step 2: Convert to fraction form
    11,279.46/16,919.19 = 3,488.10/x
  3. Step 3: Cross multiply
    11,279.46x = 16,919.19 × 3,488.10
  4. Step 4: Simplify right side
    11,279.46x = 59,015,826.64
  5. Step 5: Solve for x
    x = 59,015,826.64/11,279.46
  6. Step 6: Final answer
    x = 5,232.15

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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.