Home / 11,728.83-16,185.81-6,351.33

Finding the Fourth Proportional to 11,728.83, 16,185.81 and 6,351.33

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Solution

The fourth proportional to 11,728.83, 16,185.81 and 6,351.33 is: 8,764.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.83 : 16,185.81 = 6,351.33 : x
  2. Step 2: Convert to fraction form
    11,728.83/16,185.81 = 6,351.33/x
  3. Step 3: Cross multiply
    11,728.83x = 16,185.81 × 6,351.33
  4. Step 4: Simplify right side
    11,728.83x = 102,801,339.70
  5. Step 5: Solve for x
    x = 102,801,339.70/11,728.83
  6. Step 6: Final answer
    x = 8,764.84

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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.