Home / 20,272.58-27,974.77-11,197.54

Finding the Fourth Proportional to 20,272.58, 27,974.77 and 11,197.54

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Solution

The fourth proportional to 20,272.58, 27,974.77 and 11,197.54 is: 15,451.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,272.58 : 27,974.77 = 11,197.54 : x
  2. Step 2: Convert to fraction form
    20,272.58/27,974.77 = 11,197.54/x
  3. Step 3: Cross multiply
    20,272.58x = 27,974.77 × 11,197.54
  4. Step 4: Simplify right side
    20,272.58x = 313,248,613.04
  5. Step 5: Solve for x
    x = 313,248,613.04/20,272.58
  6. Step 6: Final answer
    x = 15,451.84

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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.