Home / 10,771.11-16,159.50-3,375.81

Finding the Fourth Proportional to 10,771.11, 16,159.50 and 3,375.81

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Solution

The fourth proportional to 10,771.11, 16,159.50 and 3,375.81 is: 5,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,771.11 : 16,159.50 = 3,375.81 : x
  2. Step 2: Convert to fraction form
    10,771.11/16,159.50 = 3,375.81/x
  3. Step 3: Cross multiply
    10,771.11x = 16,159.50 × 3,375.81
  4. Step 4: Simplify right side
    10,771.11x = 54,551,401.70
  5. Step 5: Solve for x
    x = 54,551,401.70/10,771.11
  6. Step 6: Final answer
    x = 5,064.60

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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.