Home / 10,215.68-15,323.52-3,195.75

Finding the Fourth Proportional to 10,215.68, 15,323.52 and 3,195.75

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Solution

The fourth proportional to 10,215.68, 15,323.52 and 3,195.75 is: 4,793.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215.68 : 15,323.52 = 3,195.75 : x
  2. Step 2: Convert to fraction form
    10,215.68/15,323.52 = 3,195.75/x
  3. Step 3: Cross multiply
    10,215.68x = 15,323.52 × 3,195.75
  4. Step 4: Simplify right side
    10,215.68x = 48,970,206.24
  5. Step 5: Solve for x
    x = 48,970,206.24/10,215.68
  6. Step 6: Final answer
    x = 4,793.63

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Similar ratio
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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.