Home / 19,128.73-28,656.31-11,634.46

Finding the Fourth Proportional to 19,128.73, 28,656.31 and 11,634.46

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Solution

The fourth proportional to 19,128.73, 28,656.31 and 11,634.46 is: 17,429.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128.73 : 28,656.31 = 11,634.46 : x
  2. Step 2: Convert to fraction form
    19,128.73/28,656.31 = 11,634.46/x
  3. Step 3: Cross multiply
    19,128.73x = 28,656.31 × 11,634.46
  4. Step 4: Simplify right side
    19,128.73x = 333,400,661.40
  5. Step 5: Solve for x
    x = 333,400,661.40/19,128.73
  6. Step 6: Final answer
    x = 17,429.31

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