Home / 13,722.24-20,581.60-3,862.24

Finding the Fourth Proportional to 13,722.24, 20,581.60 and 3,862.24

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Solution

The fourth proportional to 13,722.24, 20,581.60 and 3,862.24 is: 5,792.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,722.24 : 20,581.60 = 3,862.24 : x
  2. Step 2: Convert to fraction form
    13,722.24/20,581.60 = 3,862.24/x
  3. Step 3: Cross multiply
    13,722.24x = 20,581.60 × 3,862.24
  4. Step 4: Simplify right side
    13,722.24x = 79,491,078.78
  5. Step 5: Solve for x
    x = 79,491,078.78/13,722.24
  6. Step 6: Final answer
    x = 5,792.86

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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.