Home / 20,150.52-27,806.87-11,197.94

Finding the Fourth Proportional to 20,150.52, 27,806.87 and 11,197.94

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Solution

The fourth proportional to 20,150.52, 27,806.87 and 11,197.94 is: 15,452.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,150.52 : 27,806.87 = 11,197.94 : x
  2. Step 2: Convert to fraction form
    20,150.52/27,806.87 = 11,197.94/x
  3. Step 3: Cross multiply
    20,150.52x = 27,806.87 × 11,197.94
  4. Step 4: Simplify right side
    20,150.52x = 311,379,661.85
  5. Step 5: Solve for x
    x = 311,379,661.85/20,150.52
  6. Step 6: Final answer
    x = 15,452.69

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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.