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Finding the Fourth Proportional to 19,896, 29,839.44 and 8,796.66

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Solution

The fourth proportional to 19,896, 29,839.44 and 8,796.66 is: 13,192.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,896 : 29,839.44 = 8,796.66 : x
  2. Step 2: Convert to fraction form
    19,896/29,839.44 = 8,796.66/x
  3. Step 3: Cross multiply
    19,896x = 29,839.44 × 8,796.66
  4. Step 4: Simplify right side
    19,896x = 262,487,408.27
  5. Step 5: Solve for x
    x = 262,487,408.27/19,896
  6. Step 6: Final answer
    x = 13,192.97

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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.