Home / 10,881.52-16,320.44-4,217.04

Finding the Fourth Proportional to 10,881.52, 16,320.44 and 4,217.04

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Solution

The fourth proportional to 10,881.52, 16,320.44 and 4,217.04 is: 6,324.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881.52 : 16,320.44 = 4,217.04 : x
  2. Step 2: Convert to fraction form
    10,881.52/16,320.44 = 4,217.04/x
  3. Step 3: Cross multiply
    10,881.52x = 16,320.44 × 4,217.04
  4. Step 4: Simplify right side
    10,881.52x = 68,823,948.30
  5. Step 5: Solve for x
    x = 68,823,948.30/10,881.52
  6. Step 6: Final answer
    x = 6,324.85

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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.