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Finding the Fourth Proportional to 13,641.56, 18,824.10 and 7,673.48

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Solution

The fourth proportional to 13,641.56, 18,824.10 and 7,673.48 is: 10,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,641.56 : 18,824.10 = 7,673.48 : x
  2. Step 2: Convert to fraction form
    13,641.56/18,824.10 = 7,673.48/x
  3. Step 3: Cross multiply
    13,641.56x = 18,824.10 × 7,673.48
  4. Step 4: Simplify right side
    13,641.56x = 144,446,354.87
  5. Step 5: Solve for x
    x = 144,446,354.87/13,641.56
  6. Step 6: Final answer
    x = 10,588.70

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