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Finding the Fourth Proportional to 13,173.03, 19,752.26 and 5,387.31

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Solution

The fourth proportional to 13,173.03, 19,752.26 and 5,387.31 is: 8,077.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.03 : 19,752.26 = 5,387.31 : x
  2. Step 2: Convert to fraction form
    13,173.03/19,752.26 = 5,387.31/x
  3. Step 3: Cross multiply
    13,173.03x = 19,752.26 × 5,387.31
  4. Step 4: Simplify right side
    13,173.03x = 106,411,520.88
  5. Step 5: Solve for x
    x = 106,411,520.88/13,173.03
  6. Step 6: Final answer
    x = 8,077.98

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