Home / 13,882.20-20,824.38-4,021.62

Finding the Fourth Proportional to 13,882.20, 20,824.38 and 4,021.62

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Solution

The fourth proportional to 13,882.20, 20,824.38 and 4,021.62 is: 6,032.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882.20 : 20,824.38 = 4,021.62 : x
  2. Step 2: Convert to fraction form
    13,882.20/20,824.38 = 4,021.62/x
  3. Step 3: Cross multiply
    13,882.20x = 20,824.38 × 4,021.62
  4. Step 4: Simplify right side
    13,882.20x = 83,747,743.10
  5. Step 5: Solve for x
    x = 83,747,743.10/13,882.20
  6. Step 6: Final answer
    x = 6,032.74

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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.