Home / 12,995.19-19,495.18-4,112.75

Finding the Fourth Proportional to 12,995.19, 19,495.18 and 4,112.75

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Solution

The fourth proportional to 12,995.19, 19,495.18 and 4,112.75 is: 6,169.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,995.19 : 19,495.18 = 4,112.75 : x
  2. Step 2: Convert to fraction form
    12,995.19/19,495.18 = 4,112.75/x
  3. Step 3: Cross multiply
    12,995.19x = 19,495.18 × 4,112.75
  4. Step 4: Simplify right side
    12,995.19x = 80,178,801.55
  5. Step 5: Solve for x
    x = 80,178,801.55/12,995.19
  6. Step 6: Final answer
    x = 6,169.89

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