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Finding the Fourth Proportional to 19,648.97, 29,415.53 and 12,973.22

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Solution

The fourth proportional to 19,648.97, 29,415.53 and 12,973.22 is: 19,421.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,648.97 : 29,415.53 = 12,973.22 : x
  2. Step 2: Convert to fraction form
    19,648.97/29,415.53 = 12,973.22/x
  3. Step 3: Cross multiply
    19,648.97x = 29,415.53 × 12,973.22
  4. Step 4: Simplify right side
    19,648.97x = 381,613,930.16
  5. Step 5: Solve for x
    x = 381,613,930.16/19,648.97
  6. Step 6: Final answer
    x = 19,421.58

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