Home / 18,650.06-27,977.82-5,500.72

Finding the Fourth Proportional to 18,650.06, 27,977.82 and 5,500.72

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Solution

The fourth proportional to 18,650.06, 27,977.82 and 5,500.72 is: 8,251.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650.06 : 27,977.82 = 5,500.72 : x
  2. Step 2: Convert to fraction form
    18,650.06/27,977.82 = 5,500.72/x
  3. Step 3: Cross multiply
    18,650.06x = 27,977.82 × 5,500.72
  4. Step 4: Simplify right side
    18,650.06x = 153,897,986.64
  5. Step 5: Solve for x
    x = 153,897,986.64/18,650.06
  6. Step 6: Final answer
    x = 8,251.88

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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.