Home / 18,104.38-27,162.24-5,454.64

Finding the Fourth Proportional to 18,104.38, 27,162.24 and 5,454.64

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Solution

The fourth proportional to 18,104.38, 27,162.24 and 5,454.64 is: 8,183.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104.38 : 27,162.24 = 5,454.64 : x
  2. Step 2: Convert to fraction form
    18,104.38/27,162.24 = 5,454.64/x
  3. Step 3: Cross multiply
    18,104.38x = 27,162.24 × 5,454.64
  4. Step 4: Simplify right side
    18,104.38x = 148,160,240.79
  5. Step 5: Solve for x
    x = 148,160,240.79/18,104.38
  6. Step 6: Final answer
    x = 8,183.67

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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.