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Finding the Fourth Proportional to 12,712.82, 17,543.72 and 7,048.49

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Solution

The fourth proportional to 12,712.82, 17,543.72 and 7,048.49 is: 9,726.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,712.82 : 17,543.72 = 7,048.49 : x
  2. Step 2: Convert to fraction form
    12,712.82/17,543.72 = 7,048.49/x
  3. Step 3: Cross multiply
    12,712.82x = 17,543.72 × 7,048.49
  4. Step 4: Simplify right side
    12,712.82x = 123,656,664.89
  5. Step 5: Solve for x
    x = 123,656,664.89/12,712.82
  6. Step 6: Final answer
    x = 9,726.93

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