Home / 10,877.68-16,318.14-3,479.95

Finding the Fourth Proportional to 10,877.68, 16,318.14 and 3,479.95

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Solution

The fourth proportional to 10,877.68, 16,318.14 and 3,479.95 is: 5,220.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.68 : 16,318.14 = 3,479.95 : x
  2. Step 2: Convert to fraction form
    10,877.68/16,318.14 = 3,479.95/x
  3. Step 3: Cross multiply
    10,877.68x = 16,318.14 × 3,479.95
  4. Step 4: Simplify right side
    10,877.68x = 56,786,311.29
  5. Step 5: Solve for x
    x = 56,786,311.29/10,877.68
  6. Step 6: Final answer
    x = 5,220.44

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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.