Home / 20,194.28-27,868.20-11,241.76

Finding the Fourth Proportional to 20,194.28, 27,868.20 and 11,241.76

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Solution

The fourth proportional to 20,194.28, 27,868.20 and 11,241.76 is: 15,513.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.28 : 27,868.20 = 11,241.76 : x
  2. Step 2: Convert to fraction form
    20,194.28/27,868.20 = 11,241.76/x
  3. Step 3: Cross multiply
    20,194.28x = 27,868.20 × 11,241.76
  4. Step 4: Simplify right side
    20,194.28x = 313,287,546.36
  5. Step 5: Solve for x
    x = 313,287,546.36/20,194.28
  6. Step 6: Final answer
    x = 15,513.68

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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.