Home / 13,609.87-20,395.66-10,824.18

Finding the Fourth Proportional to 13,609.87, 20,395.66 and 10,824.18

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Solution

The fourth proportional to 13,609.87, 20,395.66 and 10,824.18 is: 16,221.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609.87 : 20,395.66 = 10,824.18 : x
  2. Step 2: Convert to fraction form
    13,609.87/20,395.66 = 10,824.18/x
  3. Step 3: Cross multiply
    13,609.87x = 20,395.66 × 10,824.18
  4. Step 4: Simplify right side
    13,609.87x = 220,766,268.00
  5. Step 5: Solve for x
    x = 220,766,268.00/13,609.87
  6. Step 6: Final answer
    x = 16,221.04

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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.