Home / 20,414.23-28,174.69-12,461.04

Finding the Fourth Proportional to 20,414.23, 28,174.69 and 12,461.04

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Solution

The fourth proportional to 20,414.23, 28,174.69 and 12,461.04 is: 17,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,414.23 : 28,174.69 = 12,461.04 : x
  2. Step 2: Convert to fraction form
    20,414.23/28,174.69 = 12,461.04/x
  3. Step 3: Cross multiply
    20,414.23x = 28,174.69 × 12,461.04
  4. Step 4: Simplify right side
    20,414.23x = 351,085,884.56
  5. Step 5: Solve for x
    x = 351,085,884.56/20,414.23
  6. Step 6: Final answer
    x = 17,198.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.