Home / 18,091.28-27,137.56-5,612.56

Finding the Fourth Proportional to 18,091.28, 27,137.56 and 5,612.56

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Solution

The fourth proportional to 18,091.28, 27,137.56 and 5,612.56 is: 8,419.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,091.28 : 27,137.56 = 5,612.56 : x
  2. Step 2: Convert to fraction form
    18,091.28/27,137.56 = 5,612.56/x
  3. Step 3: Cross multiply
    18,091.28x = 27,137.56 × 5,612.56
  4. Step 4: Simplify right side
    18,091.28x = 152,311,183.75
  5. Step 5: Solve for x
    x = 152,311,183.75/18,091.28
  6. Step 6: Final answer
    x = 8,419.04

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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.