Home / 12,160.28-16,793.17-8,393.18

Finding the Fourth Proportional to 12,160.28, 16,793.17 and 8,393.18

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Solution

The fourth proportional to 12,160.28, 16,793.17 and 8,393.18 is: 11,590.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,160.28 : 16,793.17 = 8,393.18 : x
  2. Step 2: Convert to fraction form
    12,160.28/16,793.17 = 8,393.18/x
  3. Step 3: Cross multiply
    12,160.28x = 16,793.17 × 8,393.18
  4. Step 4: Simplify right side
    12,160.28x = 140,947,993.63
  5. Step 5: Solve for x
    x = 140,947,993.63/12,160.28
  6. Step 6: Final answer
    x = 11,590.85

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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.