Home / 7,947.06-11,920.05-2,103.18

Finding the Fourth Proportional to 7,947.06, 11,920.05 and 2,103.18

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Solution

The fourth proportional to 7,947.06, 11,920.05 and 2,103.18 is: 3,154.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,947.06 : 11,920.05 = 2,103.18 : x
  2. Step 2: Convert to fraction form
    7,947.06/11,920.05 = 2,103.18/x
  3. Step 3: Cross multiply
    7,947.06x = 11,920.05 × 2,103.18
  4. Step 4: Simplify right side
    7,947.06x = 25,070,010.76
  5. Step 5: Solve for x
    x = 25,070,010.76/7,947.06
  6. Step 6: Final answer
    x = 3,154.63

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