Home / 12,414.28-17,132.76-6,826.36

Finding the Fourth Proportional to 12,414.28, 17,132.76 and 6,826.36

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Solution

The fourth proportional to 12,414.28, 17,132.76 and 6,826.36 is: 9,420.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414.28 : 17,132.76 = 6,826.36 : x
  2. Step 2: Convert to fraction form
    12,414.28/17,132.76 = 6,826.36/x
  3. Step 3: Cross multiply
    12,414.28x = 17,132.76 × 6,826.36
  4. Step 4: Simplify right side
    12,414.28x = 116,954,387.55
  5. Step 5: Solve for x
    x = 116,954,387.55/12,414.28
  6. Step 6: Final answer
    x = 9,420.96

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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.