Home / 10,107.54-15,160.20-2,711.70

Finding the Fourth Proportional to 10,107.54, 15,160.20 and 2,711.70

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Solution

The fourth proportional to 10,107.54, 15,160.20 and 2,711.70 is: 4,067.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107.54 : 15,160.20 = 2,711.70 : x
  2. Step 2: Convert to fraction form
    10,107.54/15,160.20 = 2,711.70/x
  3. Step 3: Cross multiply
    10,107.54x = 15,160.20 × 2,711.70
  4. Step 4: Simplify right side
    10,107.54x = 41,109,914.34
  5. Step 5: Solve for x
    x = 41,109,914.34/10,107.54
  6. Step 6: Final answer
    x = 4,067.25

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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.