Home / 11,238.68-16,857.38-3,447.48

Finding the Fourth Proportional to 11,238.68, 16,857.38 and 3,447.48

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Solution

The fourth proportional to 11,238.68, 16,857.38 and 3,447.48 is: 5,171.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.68 : 16,857.38 = 3,447.48 : x
  2. Step 2: Convert to fraction form
    11,238.68/16,857.38 = 3,447.48/x
  3. Step 3: Cross multiply
    11,238.68x = 16,857.38 × 3,447.48
  4. Step 4: Simplify right side
    11,238.68x = 58,115,480.40
  5. Step 5: Solve for x
    x = 58,115,480.40/11,238.68
  6. Step 6: Final answer
    x = 5,171.02

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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.