Home / 10,722.25-16,082.83-3,326.14

Finding the Fourth Proportional to 10,722.25, 16,082.83 and 3,326.14

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Solution

The fourth proportional to 10,722.25, 16,082.83 and 3,326.14 is: 4,989.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722.25 : 16,082.83 = 3,326.14 : x
  2. Step 2: Convert to fraction form
    10,722.25/16,082.83 = 3,326.14/x
  3. Step 3: Cross multiply
    10,722.25x = 16,082.83 × 3,326.14
  4. Step 4: Simplify right side
    10,722.25x = 53,493,744.18
  5. Step 5: Solve for x
    x = 53,493,744.18/10,722.25
  6. Step 6: Final answer
    x = 4,989.04

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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.