Home / 19,727.75-27,217.22-11,659.69

Finding the Fourth Proportional to 19,727.75, 27,217.22 and 11,659.69

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Solution

The fourth proportional to 19,727.75, 27,217.22 and 11,659.69 is: 16,086.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,727.75 : 27,217.22 = 11,659.69 : x
  2. Step 2: Convert to fraction form
    19,727.75/27,217.22 = 11,659.69/x
  3. Step 3: Cross multiply
    19,727.75x = 27,217.22 × 11,659.69
  4. Step 4: Simplify right side
    19,727.75x = 317,344,289.56
  5. Step 5: Solve for x
    x = 317,344,289.56/19,727.75
  6. Step 6: Final answer
    x = 16,086.19

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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.