Home / 20,941.13-31,416.56-6,900.66

Finding the Fourth Proportional to 20,941.13, 31,416.56 and 6,900.66

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Solution

The fourth proportional to 20,941.13, 31,416.56 and 6,900.66 is: 10,352.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,941.13 : 31,416.56 = 6,900.66 : x
  2. Step 2: Convert to fraction form
    20,941.13/31,416.56 = 6,900.66/x
  3. Step 3: Cross multiply
    20,941.13x = 31,416.56 × 6,900.66
  4. Step 4: Simplify right side
    20,941.13x = 216,794,998.93
  5. Step 5: Solve for x
    x = 216,794,998.93/20,941.13
  6. Step 6: Final answer
    x = 10,352.59

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