Home / 11,083.09-15,286.80-10,716.97

Finding the Fourth Proportional to 11,083.09, 15,286.80 and 10,716.97

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Solution

The fourth proportional to 11,083.09, 15,286.80 and 10,716.97 is: 14,781.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,083.09 : 15,286.80 = 10,716.97 : x
  2. Step 2: Convert to fraction form
    11,083.09/15,286.80 = 10,716.97/x
  3. Step 3: Cross multiply
    11,083.09x = 15,286.80 × 10,716.97
  4. Step 4: Simplify right side
    11,083.09x = 163,828,177.00
  5. Step 5: Solve for x
    x = 163,828,177.00/11,083.09
  6. Step 6: Final answer
    x = 14,781.81

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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.