Home / 11,198.20-16,799.32-5,651.72

Finding the Fourth Proportional to 11,198.20, 16,799.32 and 5,651.72

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Solution

The fourth proportional to 11,198.20, 16,799.32 and 5,651.72 is: 8,478.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,198.20 : 16,799.32 = 5,651.72 : x
  2. Step 2: Convert to fraction form
    11,198.20/16,799.32 = 5,651.72/x
  3. Step 3: Cross multiply
    11,198.20x = 16,799.32 × 5,651.72
  4. Step 4: Simplify right side
    11,198.20x = 94,945,052.83
  5. Step 5: Solve for x
    x = 94,945,052.83/11,198.20
  6. Step 6: Final answer
    x = 8,478.60

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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.