Home / 10,882.20-16,321.85-4,952.70

Finding the Fourth Proportional to 10,882.20, 16,321.85 and 4,952.70

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Solution

The fourth proportional to 10,882.20, 16,321.85 and 4,952.70 is: 7,428.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,882.20 : 16,321.85 = 4,952.70 : x
  2. Step 2: Convert to fraction form
    10,882.20/16,321.85 = 4,952.70/x
  3. Step 3: Cross multiply
    10,882.20x = 16,321.85 × 4,952.70
  4. Step 4: Simplify right side
    10,882.20x = 80,837,259.64
  5. Step 5: Solve for x
    x = 80,837,259.64/10,882.20
  6. Step 6: Final answer
    x = 7,428.39

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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.