Home / 12,414.32-18,615.60-4,511.33

Finding the Fourth Proportional to 12,414.32, 18,615.60 and 4,511.33

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Solution

The fourth proportional to 12,414.32, 18,615.60 and 4,511.33 is: 6,764.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414.32 : 18,615.60 = 4,511.33 : x
  2. Step 2: Convert to fraction form
    12,414.32/18,615.60 = 4,511.33/x
  3. Step 3: Cross multiply
    12,414.32x = 18,615.60 × 4,511.33
  4. Step 4: Simplify right side
    12,414.32x = 83,981,021.67
  5. Step 5: Solve for x
    x = 83,981,021.67/12,414.32
  6. Step 6: Final answer
    x = 6,764.85

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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.