Home / 10,179.20-15,263.52-3,252.80

Finding the Fourth Proportional to 10,179.20, 15,263.52 and 3,252.80

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Solution

The fourth proportional to 10,179.20, 15,263.52 and 3,252.80 is: 4,877.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,179.20 : 15,263.52 = 3,252.80 : x
  2. Step 2: Convert to fraction form
    10,179.20/15,263.52 = 3,252.80/x
  3. Step 3: Cross multiply
    10,179.20x = 15,263.52 × 3,252.80
  4. Step 4: Simplify right side
    10,179.20x = 49,649,177.86
  5. Step 5: Solve for x
    x = 49,649,177.86/10,179.20
  6. Step 6: Final answer
    x = 4,877.51

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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.