Home / 20,414.10-28,171.47-11,462.46

Finding the Fourth Proportional to 20,414.10, 28,171.47 and 11,462.46

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Solution

The fourth proportional to 20,414.10, 28,171.47 and 11,462.46 is: 15,818.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,414.10 : 28,171.47 = 11,462.46 : x
  2. Step 2: Convert to fraction form
    20,414.10/28,171.47 = 11,462.46/x
  3. Step 3: Cross multiply
    20,414.10x = 28,171.47 × 11,462.46
  4. Step 4: Simplify right side
    20,414.10x = 322,914,348.02
  5. Step 5: Solve for x
    x = 322,914,348.02/20,414.10
  6. Step 6: Final answer
    x = 15,818.20

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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.