Home / 12,169.36-16,793.28-6,863.86

Finding the Fourth Proportional to 12,169.36, 16,793.28 and 6,863.86

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Solution

The fourth proportional to 12,169.36, 16,793.28 and 6,863.86 is: 9,471.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,169.36 : 16,793.28 = 6,863.86 : x
  2. Step 2: Convert to fraction form
    12,169.36/16,793.28 = 6,863.86/x
  3. Step 3: Cross multiply
    12,169.36x = 16,793.28 × 6,863.86
  4. Step 4: Simplify right side
    12,169.36x = 115,266,722.86
  5. Step 5: Solve for x
    x = 115,266,722.86/12,169.36
  6. Step 6: Final answer
    x = 9,471.88

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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.