Home / 20,233.20-27,921.27-11,734.79

Finding the Fourth Proportional to 20,233.20, 27,921.27 and 11,734.79

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Solution

The fourth proportional to 20,233.20, 27,921.27 and 11,734.79 is: 16,193.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233.20 : 27,921.27 = 11,734.79 : x
  2. Step 2: Convert to fraction form
    20,233.20/27,921.27 = 11,734.79/x
  3. Step 3: Cross multiply
    20,233.20x = 27,921.27 × 11,734.79
  4. Step 4: Simplify right side
    20,233.20x = 327,650,100.38
  5. Step 5: Solve for x
    x = 327,650,100.38/20,233.20
  6. Step 6: Final answer
    x = 16,193.69

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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.