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Finding the Fourth Proportional to 12,194.63, 16,828.45 and 7,157.98

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Solution

The fourth proportional to 12,194.63, 16,828.45 and 7,157.98 is: 9,877.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194.63 : 16,828.45 = 7,157.98 : x
  2. Step 2: Convert to fraction form
    12,194.63/16,828.45 = 7,157.98/x
  3. Step 3: Cross multiply
    12,194.63x = 16,828.45 × 7,157.98
  4. Step 4: Simplify right side
    12,194.63x = 120,457,770.57
  5. Step 5: Solve for x
    x = 120,457,770.57/12,194.63
  6. Step 6: Final answer
    x = 9,877.93

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