Home / 10,134.80-15,201.48-2,739.68

Finding the Fourth Proportional to 10,134.80, 15,201.48 and 2,739.68

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Solution

The fourth proportional to 10,134.80, 15,201.48 and 2,739.68 is: 4,109.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134.80 : 15,201.48 = 2,739.68 : x
  2. Step 2: Convert to fraction form
    10,134.80/15,201.48 = 2,739.68/x
  3. Step 3: Cross multiply
    10,134.80x = 15,201.48 × 2,739.68
  4. Step 4: Simplify right side
    10,134.80x = 41,647,190.73
  5. Step 5: Solve for x
    x = 41,647,190.73/10,134.80
  6. Step 6: Final answer
    x = 4,109.33

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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.