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Finding the Fourth Proportional to 13,130.44, 19,703.86 and 5,339.25

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Solution

The fourth proportional to 13,130.44, 19,703.86 and 5,339.25 is: 8,012.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,130.44 : 19,703.86 = 5,339.25 : x
  2. Step 2: Convert to fraction form
    13,130.44/19,703.86 = 5,339.25/x
  3. Step 3: Cross multiply
    13,130.44x = 19,703.86 × 5,339.25
  4. Step 4: Simplify right side
    13,130.44x = 105,203,821.16
  5. Step 5: Solve for x
    x = 105,203,821.16/13,130.44
  6. Step 6: Final answer
    x = 8,012.21

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