Home / 12,132.17-18,198.27-3,367.09

Finding the Fourth Proportional to 12,132.17, 18,198.27 and 3,367.09

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Solution

The fourth proportional to 12,132.17, 18,198.27 and 3,367.09 is: 5,050.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132.17 : 18,198.27 = 3,367.09 : x
  2. Step 2: Convert to fraction form
    12,132.17/18,198.27 = 3,367.09/x
  3. Step 3: Cross multiply
    12,132.17x = 18,198.27 × 3,367.09
  4. Step 4: Simplify right side
    12,132.17x = 61,275,212.93
  5. Step 5: Solve for x
    x = 61,275,212.93/12,132.17
  6. Step 6: Final answer
    x = 5,050.64

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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.