Home / 20,212.68-27,893.54-11,716.44

Finding the Fourth Proportional to 20,212.68, 27,893.54 and 11,716.44

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Solution

The fourth proportional to 20,212.68, 27,893.54 and 11,716.44 is: 16,168.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,212.68 : 27,893.54 = 11,716.44 : x
  2. Step 2: Convert to fraction form
    20,212.68/27,893.54 = 11,716.44/x
  3. Step 3: Cross multiply
    20,212.68x = 27,893.54 × 11,716.44
  4. Step 4: Simplify right side
    20,212.68x = 326,812,987.80
  5. Step 5: Solve for x
    x = 326,812,987.80/20,212.68
  6. Step 6: Final answer
    x = 16,168.71

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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.