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Finding the Fourth Proportional to 13,624.79, 18,812.71 and 10,983.99

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Solution

The fourth proportional to 13,624.79, 18,812.71 and 10,983.99 is: 15,166.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624.79 : 18,812.71 = 10,983.99 : x
  2. Step 2: Convert to fraction form
    13,624.79/18,812.71 = 10,983.99/x
  3. Step 3: Cross multiply
    13,624.79x = 18,812.71 × 10,983.99
  4. Step 4: Simplify right side
    13,624.79x = 206,638,618.51
  5. Step 5: Solve for x
    x = 206,638,618.51/13,624.79
  6. Step 6: Final answer
    x = 15,166.37

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