Home / 12,831.76-19,248.32-4,067.36

Finding the Fourth Proportional to 12,831.76, 19,248.32 and 4,067.36

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Solution

The fourth proportional to 12,831.76, 19,248.32 and 4,067.36 is: 6,101.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831.76 : 19,248.32 = 4,067.36 : x
  2. Step 2: Convert to fraction form
    12,831.76/19,248.32 = 4,067.36/x
  3. Step 3: Cross multiply
    12,831.76x = 19,248.32 × 4,067.36
  4. Step 4: Simplify right side
    12,831.76x = 78,289,832.94
  5. Step 5: Solve for x
    x = 78,289,832.94/12,831.76
  6. Step 6: Final answer
    x = 6,101.25

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