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Finding the Fourth Proportional to 13,763.64, 18,994.68 and 7,795.92

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Solution

The fourth proportional to 13,763.64, 18,994.68 and 7,795.92 is: 10,758.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763.64 : 18,994.68 = 7,795.92 : x
  2. Step 2: Convert to fraction form
    13,763.64/18,994.68 = 7,795.92/x
  3. Step 3: Cross multiply
    13,763.64x = 18,994.68 × 7,795.92
  4. Step 4: Simplify right side
    13,763.64x = 148,081,005.71
  5. Step 5: Solve for x
    x = 148,081,005.71/13,763.64
  6. Step 6: Final answer
    x = 10,758.85

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