Home / 11,728.92-16,183.98-6,693.15

Finding the Fourth Proportional to 11,728.92, 16,183.98 and 6,693.15

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Solution

The fourth proportional to 11,728.92, 16,183.98 and 6,693.15 is: 9,235.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.92 : 16,183.98 = 6,693.15 : x
  2. Step 2: Convert to fraction form
    11,728.92/16,183.98 = 6,693.15/x
  3. Step 3: Cross multiply
    11,728.92x = 16,183.98 × 6,693.15
  4. Step 4: Simplify right side
    11,728.92x = 108,321,805.74
  5. Step 5: Solve for x
    x = 108,321,805.74/11,728.92
  6. Step 6: Final answer
    x = 9,235.45

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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.