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Finding the Fourth Proportional to 19,651.76, 27,151.22 and 13,709.95

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Solution

The fourth proportional to 19,651.76, 27,151.22 and 13,709.95 is: 18,941.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,651.76 : 27,151.22 = 13,709.95 : x
  2. Step 2: Convert to fraction form
    19,651.76/27,151.22 = 13,709.95/x
  3. Step 3: Cross multiply
    19,651.76x = 27,151.22 × 13,709.95
  4. Step 4: Simplify right side
    19,651.76x = 372,241,835.04
  5. Step 5: Solve for x
    x = 372,241,835.04/19,651.76
  6. Step 6: Final answer
    x = 18,941.91

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