Home / 12,216.69-18,324.68-3,451.46

Finding the Fourth Proportional to 12,216.69, 18,324.68 and 3,451.46

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Solution

The fourth proportional to 12,216.69, 18,324.68 and 3,451.46 is: 5,177.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216.69 : 18,324.68 = 3,451.46 : x
  2. Step 2: Convert to fraction form
    12,216.69/18,324.68 = 3,451.46/x
  3. Step 3: Cross multiply
    12,216.69x = 18,324.68 × 3,451.46
  4. Step 4: Simplify right side
    12,216.69x = 63,246,791.15
  5. Step 5: Solve for x
    x = 63,246,791.15/12,216.69
  6. Step 6: Final answer
    x = 5,177.08

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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.