Home / 13,414.19-20,106.70-5,613.89

Finding the Fourth Proportional to 13,414.19, 20,106.70 and 5,613.89

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Solution

The fourth proportional to 13,414.19, 20,106.70 and 5,613.89 is: 8,414.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,414.19 : 20,106.70 = 5,613.89 : x
  2. Step 2: Convert to fraction form
    13,414.19/20,106.70 = 5,613.89/x
  3. Step 3: Cross multiply
    13,414.19x = 20,106.70 × 5,613.89
  4. Step 4: Simplify right side
    13,414.19x = 112,876,687.49
  5. Step 5: Solve for x
    x = 112,876,687.49/13,414.19
  6. Step 6: Final answer
    x = 8,414.73

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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.