Home / 21,180.47-29,230.41-11,749.04

Finding the Fourth Proportional to 21,180.47, 29,230.41 and 11,749.04

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Solution

The fourth proportional to 21,180.47, 29,230.41 and 11,749.04 is: 16,214.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,180.47 : 29,230.41 = 11,749.04 : x
  2. Step 2: Convert to fraction form
    21,180.47/29,230.41 = 11,749.04/x
  3. Step 3: Cross multiply
    21,180.47x = 29,230.41 × 11,749.04
  4. Step 4: Simplify right side
    21,180.47x = 343,429,110.15
  5. Step 5: Solve for x
    x = 343,429,110.15/21,180.47
  6. Step 6: Final answer
    x = 16,214.43

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