Home / 11,238.66-16,860.97-3,843.11

Finding the Fourth Proportional to 11,238.66, 16,860.97 and 3,843.11

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Solution

The fourth proportional to 11,238.66, 16,860.97 and 3,843.11 is: 5,765.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.66 : 16,860.97 = 3,843.11 : x
  2. Step 2: Convert to fraction form
    11,238.66/16,860.97 = 3,843.11/x
  3. Step 3: Cross multiply
    11,238.66x = 16,860.97 × 3,843.11
  4. Step 4: Simplify right side
    11,238.66x = 64,798,478.11
  5. Step 5: Solve for x
    x = 64,798,478.11/11,238.66
  6. Step 6: Final answer
    x = 5,765.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.