Home / 12,799.48-19,201.76-4,481.88

Finding the Fourth Proportional to 12,799.48, 19,201.76 and 4,481.88

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Solution

The fourth proportional to 12,799.48, 19,201.76 and 4,481.88 is: 6,723.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799.48 : 19,201.76 = 4,481.88 : x
  2. Step 2: Convert to fraction form
    12,799.48/19,201.76 = 4,481.88/x
  3. Step 3: Cross multiply
    12,799.48x = 19,201.76 × 4,481.88
  4. Step 4: Simplify right side
    12,799.48x = 86,059,984.11
  5. Step 5: Solve for x
    x = 86,059,984.11/12,799.48
  6. Step 6: Final answer
    x = 6,723.71

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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.