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Finding the Fourth Proportional to 13,315.61, 19,973.41 and 4,550.60

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Solution

The fourth proportional to 13,315.61, 19,973.41 and 4,550.60 is: 6,825.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315.61 : 19,973.41 = 4,550.60 : x
  2. Step 2: Convert to fraction form
    13,315.61/19,973.41 = 4,550.60/x
  3. Step 3: Cross multiply
    13,315.61x = 19,973.41 × 4,550.60
  4. Step 4: Simplify right side
    13,315.61x = 90,890,888.30
  5. Step 5: Solve for x
    x = 90,890,888.30/13,315.61
  6. Step 6: Final answer
    x = 6,825.89

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