Home / 14,082.31-21,121.84-3,694.87

Finding the Fourth Proportional to 14,082.31, 21,121.84 and 3,694.87

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Solution

The fourth proportional to 14,082.31, 21,121.84 and 3,694.87 is: 5,541.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,082.31 : 21,121.84 = 3,694.87 : x
  2. Step 2: Convert to fraction form
    14,082.31/21,121.84 = 3,694.87/x
  3. Step 3: Cross multiply
    14,082.31x = 21,121.84 × 3,694.87
  4. Step 4: Simplify right side
    14,082.31x = 78,042,452.96
  5. Step 5: Solve for x
    x = 78,042,452.96/14,082.31
  6. Step 6: Final answer
    x = 5,541.88

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1.5x scale

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.