Home / 10,857.22-16,286.11-2,959.80

Finding the Fourth Proportional to 10,857.22, 16,286.11 and 2,959.80

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Solution

The fourth proportional to 10,857.22, 16,286.11 and 2,959.80 is: 4,439.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857.22 : 16,286.11 = 2,959.80 : x
  2. Step 2: Convert to fraction form
    10,857.22/16,286.11 = 2,959.80/x
  3. Step 3: Cross multiply
    10,857.22x = 16,286.11 × 2,959.80
  4. Step 4: Simplify right side
    10,857.22x = 48,203,628.38
  5. Step 5: Solve for x
    x = 48,203,628.38/10,857.22
  6. Step 6: Final answer
    x = 4,439.78

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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.