Home / 20,169.06-27,834.03-11,217.48

Finding the Fourth Proportional to 20,169.06, 27,834.03 and 11,217.48

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Solution

The fourth proportional to 20,169.06, 27,834.03 and 11,217.48 is: 15,480.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169.06 : 27,834.03 = 11,217.48 : x
  2. Step 2: Convert to fraction form
    20,169.06/27,834.03 = 11,217.48/x
  3. Step 3: Cross multiply
    20,169.06x = 27,834.03 × 11,217.48
  4. Step 4: Simplify right side
    20,169.06x = 312,227,674.84
  5. Step 5: Solve for x
    x = 312,227,674.84/20,169.06
  6. Step 6: Final answer
    x = 15,480.53

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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.