Home / 11,278.74-16,913.94-3,881.16

Finding the Fourth Proportional to 11,278.74, 16,913.94 and 3,881.16

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Solution

The fourth proportional to 11,278.74, 16,913.94 and 3,881.16 is: 5,820.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.74 : 16,913.94 = 3,881.16 : x
  2. Step 2: Convert to fraction form
    11,278.74/16,913.94 = 3,881.16/x
  3. Step 3: Cross multiply
    11,278.74x = 16,913.94 × 3,881.16
  4. Step 4: Simplify right side
    11,278.74x = 65,645,707.37
  5. Step 5: Solve for x
    x = 65,645,707.37/11,278.74
  6. Step 6: Final answer
    x = 5,820.31

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