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Finding the Fourth Proportional to 18,109.71, 27,172.35 and 9,795.58

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Solution

The fourth proportional to 18,109.71, 27,172.35 and 9,795.58 is: 14,697.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,109.71 : 27,172.35 = 9,795.58 : x
  2. Step 2: Convert to fraction form
    18,109.71/27,172.35 = 9,795.58/x
  3. Step 3: Cross multiply
    18,109.71x = 27,172.35 × 9,795.58
  4. Step 4: Simplify right side
    18,109.71x = 266,168,860.28
  5. Step 5: Solve for x
    x = 266,168,860.28/18,109.71
  6. Step 6: Final answer
    x = 14,697.58

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