Home / 12,960.88-19,441.32-3,600.52

Finding the Fourth Proportional to 12,960.88, 19,441.32 and 3,600.52

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Solution

The fourth proportional to 12,960.88, 19,441.32 and 3,600.52 is: 5,400.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960.88 : 19,441.32 = 3,600.52 : x
  2. Step 2: Convert to fraction form
    12,960.88/19,441.32 = 3,600.52/x
  3. Step 3: Cross multiply
    12,960.88x = 19,441.32 × 3,600.52
  4. Step 4: Simplify right side
    12,960.88x = 69,998,799.38
  5. Step 5: Solve for x
    x = 69,998,799.38/12,960.88
  6. Step 6: Final answer
    x = 5,400.78

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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.