Home / 11,821.80-17,732.70-2,937.18

Finding the Fourth Proportional to 11,821.80, 17,732.70 and 2,937.18

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Solution

The fourth proportional to 11,821.80, 17,732.70 and 2,937.18 is: 4,405.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.80 : 17,732.70 = 2,937.18 : x
  2. Step 2: Convert to fraction form
    11,821.80/17,732.70 = 2,937.18/x
  3. Step 3: Cross multiply
    11,821.80x = 17,732.70 × 2,937.18
  4. Step 4: Simplify right side
    11,821.80x = 52,084,131.79
  5. Step 5: Solve for x
    x = 52,084,131.79/11,821.80
  6. Step 6: Final answer
    x = 4,405.77

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