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Finding the Fourth Proportional to 11,975.13, 17,970.80 and 4,184.01

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Solution

The fourth proportional to 11,975.13, 17,970.80 and 4,184.01 is: 6,278.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.13 : 17,970.80 = 4,184.01 : x
  2. Step 2: Convert to fraction form
    11,975.13/17,970.80 = 4,184.01/x
  3. Step 3: Cross multiply
    11,975.13x = 17,970.80 × 4,184.01
  4. Step 4: Simplify right side
    11,975.13x = 75,189,985.99
  5. Step 5: Solve for x
    x = 75,189,985.99/11,975.13
  6. Step 6: Final answer
    x = 6,278.85

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