Home / 21,268.14-29,351.19-11,836.92

Finding the Fourth Proportional to 21,268.14, 29,351.19 and 11,836.92

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Solution

The fourth proportional to 21,268.14, 29,351.19 and 11,836.92 is: 16,335.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,268.14 : 29,351.19 = 11,836.92 : x
  2. Step 2: Convert to fraction form
    21,268.14/29,351.19 = 11,836.92/x
  3. Step 3: Cross multiply
    21,268.14x = 29,351.19 × 11,836.92
  4. Step 4: Simplify right side
    21,268.14x = 347,427,687.93
  5. Step 5: Solve for x
    x = 347,427,687.93/21,268.14
  6. Step 6: Final answer
    x = 16,335.59

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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.