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Finding the Fourth Proportional to 19,705.86, 27,193.41 and 11,743.95

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Solution

The fourth proportional to 19,705.86, 27,193.41 and 11,743.95 is: 16,206.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,705.86 : 27,193.41 = 11,743.95 : x
  2. Step 2: Convert to fraction form
    19,705.86/27,193.41 = 11,743.95/x
  3. Step 3: Cross multiply
    19,705.86x = 27,193.41 × 11,743.95
  4. Step 4: Simplify right side
    19,705.86x = 319,358,047.37
  5. Step 5: Solve for x
    x = 319,358,047.37/19,705.86
  6. Step 6: Final answer
    x = 16,206.25

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