Home / 10,217.36-15,321.72-3,195.49

Finding the Fourth Proportional to 10,217.36, 15,321.72 and 3,195.49

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Solution

The fourth proportional to 10,217.36, 15,321.72 and 3,195.49 is: 4,791.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.36 : 15,321.72 = 3,195.49 : x
  2. Step 2: Convert to fraction form
    10,217.36/15,321.72 = 3,195.49/x
  3. Step 3: Cross multiply
    10,217.36x = 15,321.72 × 3,195.49
  4. Step 4: Simplify right side
    10,217.36x = 48,960,403.04
  5. Step 5: Solve for x
    x = 48,960,403.04/10,217.36
  6. Step 6: Final answer
    x = 4,791.88

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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.