Home / 19,382.07-29,067.79-5,338.80

Finding the Fourth Proportional to 19,382.07, 29,067.79 and 5,338.80

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Solution

The fourth proportional to 19,382.07, 29,067.79 and 5,338.80 is: 8,006.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,382.07 : 29,067.79 = 5,338.80 : x
  2. Step 2: Convert to fraction form
    19,382.07/29,067.79 = 5,338.80/x
  3. Step 3: Cross multiply
    19,382.07x = 29,067.79 × 5,338.80
  4. Step 4: Simplify right side
    19,382.07x = 155,187,117.25
  5. Step 5: Solve for x
    x = 155,187,117.25/19,382.07
  6. Step 6: Final answer
    x = 8,006.74

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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.