Home / 15,450.20-23,176.29-5,453.71

Finding the Fourth Proportional to 15,450.20, 23,176.29 and 5,453.71

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Solution

The fourth proportional to 15,450.20, 23,176.29 and 5,453.71 is: 8,180.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,450.20 : 23,176.29 = 5,453.71 : x
  2. Step 2: Convert to fraction form
    15,450.20/23,176.29 = 5,453.71/x
  3. Step 3: Cross multiply
    15,450.20x = 23,176.29 × 5,453.71
  4. Step 4: Simplify right side
    15,450.20x = 126,396,648.65
  5. Step 5: Solve for x
    x = 126,396,648.65/15,450.20
  6. Step 6: Final answer
    x = 8,180.91

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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.