Home / 15,447.28-23,170.76-3,760.56

Finding the Fourth Proportional to 15,447.28, 23,170.76 and 3,760.56

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Solution

The fourth proportional to 15,447.28, 23,170.76 and 3,760.56 is: 5,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447.28 : 23,170.76 = 3,760.56 : x
  2. Step 2: Convert to fraction form
    15,447.28/23,170.76 = 3,760.56/x
  3. Step 3: Cross multiply
    15,447.28x = 23,170.76 × 3,760.56
  4. Step 4: Simplify right side
    15,447.28x = 87,135,033.23
  5. Step 5: Solve for x
    x = 87,135,033.23/15,447.28
  6. Step 6: Final answer
    x = 5,640.80

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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.