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Finding the Fourth Proportional to 13,149.73, 19,724.05 and 7,302.61

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Solution

The fourth proportional to 13,149.73, 19,724.05 and 7,302.61 is: 10,953.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149.73 : 19,724.05 = 7,302.61 : x
  2. Step 2: Convert to fraction form
    13,149.73/19,724.05 = 7,302.61/x
  3. Step 3: Cross multiply
    13,149.73x = 19,724.05 × 7,302.61
  4. Step 4: Simplify right side
    13,149.73x = 144,037,044.77
  5. Step 5: Solve for x
    x = 144,037,044.77/13,149.73
  6. Step 6: Final answer
    x = 10,953.61

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