Home / 19,805.82-27,331.23-11,852.43

Finding the Fourth Proportional to 19,805.82, 27,331.23 and 11,852.43

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Solution

The fourth proportional to 19,805.82, 27,331.23 and 11,852.43 is: 16,355.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,805.82 : 27,331.23 = 11,852.43 : x
  2. Step 2: Convert to fraction form
    19,805.82/27,331.23 = 11,852.43/x
  3. Step 3: Cross multiply
    19,805.82x = 27,331.23 × 11,852.43
  4. Step 4: Simplify right side
    19,805.82x = 323,941,490.39
  5. Step 5: Solve for x
    x = 323,941,490.39/19,805.82
  6. Step 6: Final answer
    x = 16,355.87

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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.