Home / 20,229.75-27,919.49-11,846.25

Finding the Fourth Proportional to 20,229.75, 27,919.49 and 11,846.25

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Solution

The fourth proportional to 20,229.75, 27,919.49 and 11,846.25 is: 16,349.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229.75 : 27,919.49 = 11,846.25 : x
  2. Step 2: Convert to fraction form
    20,229.75/27,919.49 = 11,846.25/x
  3. Step 3: Cross multiply
    20,229.75x = 27,919.49 × 11,846.25
  4. Step 4: Simplify right side
    20,229.75x = 330,741,199.18
  5. Step 5: Solve for x
    x = 330,741,199.18/20,229.75
  6. Step 6: Final answer
    x = 16,349.25

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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.