Home / 11,728.77-16,185.74-6,351.26

Finding the Fourth Proportional to 11,728.77, 16,185.74 and 6,351.26

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Solution

The fourth proportional to 11,728.77, 16,185.74 and 6,351.26 is: 8,764.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.77 : 16,185.74 = 6,351.26 : x
  2. Step 2: Convert to fraction form
    11,728.77/16,185.74 = 6,351.26/x
  3. Step 3: Cross multiply
    11,728.77x = 16,185.74 × 6,351.26
  4. Step 4: Simplify right side
    11,728.77x = 102,799,843.03
  5. Step 5: Solve for x
    x = 102,799,843.03/11,728.77
  6. Step 6: Final answer
    x = 8,764.76

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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.