Home / 19,759.82-27,268.52-11,806.70

Finding the Fourth Proportional to 19,759.82, 27,268.52 and 11,806.70

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Solution

The fourth proportional to 19,759.82, 27,268.52 and 11,806.70 is: 16,293.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759.82 : 27,268.52 = 11,806.70 : x
  2. Step 2: Convert to fraction form
    19,759.82/27,268.52 = 11,806.70/x
  3. Step 3: Cross multiply
    19,759.82x = 27,268.52 × 11,806.70
  4. Step 4: Simplify right side
    19,759.82x = 321,951,039.71
  5. Step 5: Solve for x
    x = 321,951,039.71/19,759.82
  6. Step 6: Final answer
    x = 16,293.22

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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.