Home / 20,177.24-30,265.55-9,076.09

Finding the Fourth Proportional to 20,177.24, 30,265.55 and 9,076.09

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Solution

The fourth proportional to 20,177.24, 30,265.55 and 9,076.09 is: 13,613.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177.24 : 30,265.55 = 9,076.09 : x
  2. Step 2: Convert to fraction form
    20,177.24/30,265.55 = 9,076.09/x
  3. Step 3: Cross multiply
    20,177.24x = 30,265.55 × 9,076.09
  4. Step 4: Simplify right side
    20,177.24x = 274,692,704.37
  5. Step 5: Solve for x
    x = 274,692,704.37/20,177.24
  6. Step 6: Final answer
    x = 13,613.99

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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.