Home / 10,275.20-15,412.92-3,255.10

Finding the Fourth Proportional to 10,275.20, 15,412.92 and 3,255.10

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Solution

The fourth proportional to 10,275.20, 15,412.92 and 3,255.10 is: 4,882.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.20 : 15,412.92 = 3,255.10 : x
  2. Step 2: Convert to fraction form
    10,275.20/15,412.92 = 3,255.10/x
  3. Step 3: Cross multiply
    10,275.20x = 15,412.92 × 3,255.10
  4. Step 4: Simplify right side
    10,275.20x = 50,170,595.89
  5. Step 5: Solve for x
    x = 50,170,595.89/10,275.20
  6. Step 6: Final answer
    x = 4,882.69

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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.