Home / 12,476.82-18,716.26-3,711.76

Finding the Fourth Proportional to 12,476.82, 18,716.26 and 3,711.76

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Solution

The fourth proportional to 12,476.82, 18,716.26 and 3,711.76 is: 5,567.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.82 : 18,716.26 = 3,711.76 : x
  2. Step 2: Convert to fraction form
    12,476.82/18,716.26 = 3,711.76/x
  3. Step 3: Cross multiply
    12,476.82x = 18,716.26 × 3,711.76
  4. Step 4: Simplify right side
    12,476.82x = 69,470,265.22
  5. Step 5: Solve for x
    x = 69,470,265.22/12,476.82
  6. Step 6: Final answer
    x = 5,567.95

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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.