Home / 13,414.15-20,118.94-3,554.43

Finding the Fourth Proportional to 13,414.15, 20,118.94 and 3,554.43

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Solution

The fourth proportional to 13,414.15, 20,118.94 and 3,554.43 is: 5,331.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,414.15 : 20,118.94 = 3,554.43 : x
  2. Step 2: Convert to fraction form
    13,414.15/20,118.94 = 3,554.43/x
  3. Step 3: Cross multiply
    13,414.15x = 20,118.94 × 3,554.43
  4. Step 4: Simplify right side
    13,414.15x = 71,511,363.90
  5. Step 5: Solve for x
    x = 71,511,363.90/13,414.15
  6. Step 6: Final answer
    x = 5,331.04

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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.