Home / 12,217.12-18,326.66-3,452.72

Finding the Fourth Proportional to 12,217.12, 18,326.66 and 3,452.72

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Solution

The fourth proportional to 12,217.12, 18,326.66 and 3,452.72 is: 5,179.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217.12 : 18,326.66 = 3,452.72 : x
  2. Step 2: Convert to fraction form
    12,217.12/18,326.66 = 3,452.72/x
  3. Step 3: Cross multiply
    12,217.12x = 18,326.66 × 3,452.72
  4. Step 4: Simplify right side
    12,217.12x = 63,276,825.52
  5. Step 5: Solve for x
    x = 63,276,825.52/12,217.12
  6. Step 6: Final answer
    x = 5,179.36

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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.