Home / 13,891.24-19,163.82-8,299

Finding the Fourth Proportional to 13,891.24, 19,163.82 and 8,299

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Solution

The fourth proportional to 13,891.24, 19,163.82 and 8,299 is: 11,448.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891.24 : 19,163.82 = 8,299 : x
  2. Step 2: Convert to fraction form
    13,891.24/19,163.82 = 8,299/x
  3. Step 3: Cross multiply
    13,891.24x = 19,163.82 × 8,299
  4. Step 4: Simplify right side
    13,891.24x = 159,040,542.18
  5. Step 5: Solve for x
    x = 159,040,542.18/13,891.24
  6. Step 6: Final answer
    x = 11,448.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.