Home / 10,182.68-15,270.78-3,255.56

Finding the Fourth Proportional to 10,182.68, 15,270.78 and 3,255.56

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Solution

The fourth proportional to 10,182.68, 15,270.78 and 3,255.56 is: 4,882.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,182.68 : 15,270.78 = 3,255.56 : x
  2. Step 2: Convert to fraction form
    10,182.68/15,270.78 = 3,255.56/x
  3. Step 3: Cross multiply
    10,182.68x = 15,270.78 × 3,255.56
  4. Step 4: Simplify right side
    10,182.68x = 49,714,940.54
  5. Step 5: Solve for x
    x = 49,714,940.54/10,182.68
  6. Step 6: Final answer
    x = 4,882.30

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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.