Home / 20,169.16-27,833.72-11,217.46

Finding the Fourth Proportional to 20,169.16, 27,833.72 and 11,217.46

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Solution

The fourth proportional to 20,169.16, 27,833.72 and 11,217.46 is: 15,480.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169.16 : 27,833.72 = 11,217.46 : x
  2. Step 2: Convert to fraction form
    20,169.16/27,833.72 = 11,217.46/x
  3. Step 3: Cross multiply
    20,169.16x = 27,833.72 × 11,217.46
  4. Step 4: Simplify right side
    20,169.16x = 312,223,640.75
  5. Step 5: Solve for x
    x = 312,223,640.75/20,169.16
  6. Step 6: Final answer
    x = 15,480.25

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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.