Home / 12,169.49-16,793.89-6,864.32

Finding the Fourth Proportional to 12,169.49, 16,793.89 and 6,864.32

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Solution

The fourth proportional to 12,169.49, 16,793.89 and 6,864.32 is: 9,472.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,169.49 : 16,793.89 = 6,864.32 : x
  2. Step 2: Convert to fraction form
    12,169.49/16,793.89 = 6,864.32/x
  3. Step 3: Cross multiply
    12,169.49x = 16,793.89 × 6,864.32
  4. Step 4: Simplify right side
    12,169.49x = 115,278,635.00
  5. Step 5: Solve for x
    x = 115,278,635.00/12,169.49
  6. Step 6: Final answer
    x = 9,472.76

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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.