Home / 18,488.22-27,735.10-6,800.54

Finding the Fourth Proportional to 18,488.22, 27,735.10 and 6,800.54

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Solution

The fourth proportional to 18,488.22, 27,735.10 and 6,800.54 is: 10,201.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,488.22 : 27,735.10 = 6,800.54 : x
  2. Step 2: Convert to fraction form
    18,488.22/27,735.10 = 6,800.54/x
  3. Step 3: Cross multiply
    18,488.22x = 27,735.10 × 6,800.54
  4. Step 4: Simplify right side
    18,488.22x = 188,613,656.95
  5. Step 5: Solve for x
    x = 188,613,656.95/18,488.22
  6. Step 6: Final answer
    x = 10,201.83

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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.