Home / 11,728.92-16,185.67-6,693.42

Finding the Fourth Proportional to 11,728.92, 16,185.67 and 6,693.42

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Solution

The fourth proportional to 11,728.92, 16,185.67 and 6,693.42 is: 9,236.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.92 : 16,185.67 = 6,693.42 : x
  2. Step 2: Convert to fraction form
    11,728.92/16,185.67 = 6,693.42/x
  3. Step 3: Cross multiply
    11,728.92x = 16,185.67 × 6,693.42
  4. Step 4: Simplify right side
    11,728.92x = 108,337,487.29
  5. Step 5: Solve for x
    x = 108,337,487.29/11,728.92
  6. Step 6: Final answer
    x = 9,236.78

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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.