Home / 12,716.55-19,067.33-5,217.87

Finding the Fourth Proportional to 12,716.55, 19,067.33 and 5,217.87

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Solution

The fourth proportional to 12,716.55, 19,067.33 and 5,217.87 is: 7,823.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,716.55 : 19,067.33 = 5,217.87 : x
  2. Step 2: Convert to fraction form
    12,716.55/19,067.33 = 5,217.87/x
  3. Step 3: Cross multiply
    12,716.55x = 19,067.33 × 5,217.87
  4. Step 4: Simplify right side
    12,716.55x = 99,490,933.73
  5. Step 5: Solve for x
    x = 99,490,933.73/12,716.55
  6. Step 6: Final answer
    x = 7,823.74

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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.