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Finding the Fourth Proportional to 19,864, 29,796 and 5,272

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Solution

The fourth proportional to 19,864, 29,796 and 5,272 is: 7,908

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864 : 29,796 = 5,272 : x
  2. Step 2: Convert to fraction form
    19,864/29,796 = 5,272/x
  3. Step 3: Cross multiply
    19,864x = 29,796 × 5,272
  4. Step 4: Simplify right side
    19,864x = 157,084,512
  5. Step 5: Solve for x
    x = 157,084,512/19,864
  6. Step 6: Final answer
    x = 7,908

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.