Home / 12,589.11-18,882.45-3,824.10

Finding the Fourth Proportional to 12,589.11, 18,882.45 and 3,824.10

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Solution

The fourth proportional to 12,589.11, 18,882.45 and 3,824.10 is: 5,735.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,589.11 : 18,882.45 = 3,824.10 : x
  2. Step 2: Convert to fraction form
    12,589.11/18,882.45 = 3,824.10/x
  3. Step 3: Cross multiply
    12,589.11x = 18,882.45 × 3,824.10
  4. Step 4: Simplify right side
    12,589.11x = 72,208,377.05
  5. Step 5: Solve for x
    x = 72,208,377.05/12,589.11
  6. Step 6: Final answer
    x = 5,735.78

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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.