Home / 18,639.92-27,961.68-6,796.88

Finding the Fourth Proportional to 18,639.92, 27,961.68 and 6,796.88

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Solution

The fourth proportional to 18,639.92, 27,961.68 and 6,796.88 is: 10,195.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,639.92 : 27,961.68 = 6,796.88 : x
  2. Step 2: Convert to fraction form
    18,639.92/27,961.68 = 6,796.88/x
  3. Step 3: Cross multiply
    18,639.92x = 27,961.68 × 6,796.88
  4. Step 4: Simplify right side
    18,639.92x = 190,052,183.56
  5. Step 5: Solve for x
    x = 190,052,183.56/18,639.92
  6. Step 6: Final answer
    x = 10,195.98

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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.