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Finding the Fourth Proportional to 13,911.60, 19,197.90 and 7,623.96

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Solution

The fourth proportional to 13,911.60, 19,197.90 and 7,623.96 is: 10,521.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911.60 : 19,197.90 = 7,623.96 : x
  2. Step 2: Convert to fraction form
    13,911.60/19,197.90 = 7,623.96/x
  3. Step 3: Cross multiply
    13,911.60x = 19,197.90 × 7,623.96
  4. Step 4: Simplify right side
    13,911.60x = 146,364,021.68
  5. Step 5: Solve for x
    x = 146,364,021.68/13,911.60
  6. Step 6: Final answer
    x = 10,521.01

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