Home / 19,781.82-27,294.48-11,822.76

Finding the Fourth Proportional to 19,781.82, 27,294.48 and 11,822.76

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Solution

The fourth proportional to 19,781.82, 27,294.48 and 11,822.76 is: 16,312.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,781.82 : 27,294.48 = 11,822.76 : x
  2. Step 2: Convert to fraction form
    19,781.82/27,294.48 = 11,822.76/x
  3. Step 3: Cross multiply
    19,781.82x = 27,294.48 × 11,822.76
  4. Step 4: Simplify right side
    19,781.82x = 322,696,086.36
  5. Step 5: Solve for x
    x = 322,696,086.36/19,781.82
  6. Step 6: Final answer
    x = 16,312.76

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