Home / 10,711.12-16,067.10-2,919.92

Finding the Fourth Proportional to 10,711.12, 16,067.10 and 2,919.92

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Solution

The fourth proportional to 10,711.12, 16,067.10 and 2,919.92 is: 4,379.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,711.12 : 16,067.10 = 2,919.92 : x
  2. Step 2: Convert to fraction form
    10,711.12/16,067.10 = 2,919.92/x
  3. Step 3: Cross multiply
    10,711.12x = 16,067.10 × 2,919.92
  4. Step 4: Simplify right side
    10,711.12x = 46,914,646.63
  5. Step 5: Solve for x
    x = 46,914,646.63/10,711.12
  6. Step 6: Final answer
    x = 4,379.99

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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.