Home / 10,855.92-16,278.40-3,834.88

Finding the Fourth Proportional to 10,855.92, 16,278.40 and 3,834.88

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Solution

The fourth proportional to 10,855.92, 16,278.40 and 3,834.88 is: 5,750.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.92 : 16,278.40 = 3,834.88 : x
  2. Step 2: Convert to fraction form
    10,855.92/16,278.40 = 3,834.88/x
  3. Step 3: Cross multiply
    10,855.92x = 16,278.40 × 3,834.88
  4. Step 4: Simplify right side
    10,855.92x = 62,425,710.59
  5. Step 5: Solve for x
    x = 62,425,710.59/10,855.92
  6. Step 6: Final answer
    x = 5,750.38

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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.