Home / 11,728.74-16,185.68-6,351.23

Finding the Fourth Proportional to 11,728.74, 16,185.68 and 6,351.23

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Solution

The fourth proportional to 11,728.74, 16,185.68 and 6,351.23 is: 8,764.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.74 : 16,185.68 = 6,351.23 : x
  2. Step 2: Convert to fraction form
    11,728.74/16,185.68 = 6,351.23/x
  3. Step 3: Cross multiply
    11,728.74x = 16,185.68 × 6,351.23
  4. Step 4: Simplify right side
    11,728.74x = 102,798,976.39
  5. Step 5: Solve for x
    x = 102,798,976.39/11,728.74
  6. Step 6: Final answer
    x = 8,764.71

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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.