Home / 19,682-27,163.99-11,724.36

Finding the Fourth Proportional to 19,682, 27,163.99 and 11,724.36

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Solution

The fourth proportional to 19,682, 27,163.99 and 11,724.36 is: 16,181.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682 : 27,163.99 = 11,724.36 : x
  2. Step 2: Convert to fraction form
    19,682/27,163.99 = 11,724.36/x
  3. Step 3: Cross multiply
    19,682x = 27,163.99 × 11,724.36
  4. Step 4: Simplify right side
    19,682x = 318,480,397.80
  5. Step 5: Solve for x
    x = 318,480,397.80/19,682
  6. Step 6: Final answer
    x = 16,181.30

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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.