Home / 18,512.28-27,739.26-10,179.92

Finding the Fourth Proportional to 18,512.28, 27,739.26 and 10,179.92

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Solution

The fourth proportional to 18,512.28, 27,739.26 and 10,179.92 is: 15,253.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,512.28 : 27,739.26 = 10,179.92 : x
  2. Step 2: Convert to fraction form
    18,512.28/27,739.26 = 10,179.92/x
  3. Step 3: Cross multiply
    18,512.28x = 27,739.26 × 10,179.92
  4. Step 4: Simplify right side
    18,512.28x = 282,383,447.66
  5. Step 5: Solve for x
    x = 282,383,447.66/18,512.28
  6. Step 6: Final answer
    x = 15,253.84

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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.