Home / 20,626.38-28,464.36-11,194.92

Finding the Fourth Proportional to 20,626.38, 28,464.36 and 11,194.92

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Solution

The fourth proportional to 20,626.38, 28,464.36 and 11,194.92 is: 15,448.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.38 : 28,464.36 = 11,194.92 : x
  2. Step 2: Convert to fraction form
    20,626.38/28,464.36 = 11,194.92/x
  3. Step 3: Cross multiply
    20,626.38x = 28,464.36 × 11,194.92
  4. Step 4: Simplify right side
    20,626.38x = 318,656,233.05
  5. Step 5: Solve for x
    x = 318,656,233.05/20,626.38
  6. Step 6: Final answer
    x = 15,448.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.