Home / 12,110.86-18,167.34-3,345.78

Finding the Fourth Proportional to 12,110.86, 18,167.34 and 3,345.78

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Solution

The fourth proportional to 12,110.86, 18,167.34 and 3,345.78 is: 5,018.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.86 : 18,167.34 = 3,345.78 : x
  2. Step 2: Convert to fraction form
    12,110.86/18,167.34 = 3,345.78/x
  3. Step 3: Cross multiply
    12,110.86x = 18,167.34 × 3,345.78
  4. Step 4: Simplify right side
    12,110.86x = 60,783,922.83
  5. Step 5: Solve for x
    x = 60,783,922.83/12,110.86
  6. Step 6: Final answer
    x = 5,018.96

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