Home / 12,275.26-18,414.25-4,379.62

Finding the Fourth Proportional to 12,275.26, 18,414.25 and 4,379.62

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Solution

The fourth proportional to 12,275.26, 18,414.25 and 4,379.62 is: 6,569.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,275.26 : 18,414.25 = 4,379.62 : x
  2. Step 2: Convert to fraction form
    12,275.26/18,414.25 = 4,379.62/x
  3. Step 3: Cross multiply
    12,275.26x = 18,414.25 × 4,379.62
  4. Step 4: Simplify right side
    12,275.26x = 80,647,419.76
  5. Step 5: Solve for x
    x = 80,647,419.76/12,275.26
  6. Step 6: Final answer
    x = 6,569.91

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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.