Home / 12,216.34-18,324.46-3,451.23

Finding the Fourth Proportional to 12,216.34, 18,324.46 and 3,451.23

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Solution

The fourth proportional to 12,216.34, 18,324.46 and 3,451.23 is: 5,176.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216.34 : 18,324.46 = 3,451.23 : x
  2. Step 2: Convert to fraction form
    12,216.34/18,324.46 = 3,451.23/x
  3. Step 3: Cross multiply
    12,216.34x = 18,324.46 × 3,451.23
  4. Step 4: Simplify right side
    12,216.34x = 63,241,930.40
  5. Step 5: Solve for x
    x = 63,241,930.40/12,216.34
  6. Step 6: Final answer
    x = 5,176.83

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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.