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Finding the Fourth Proportional to 13,465.12, 18,581.42 and 7,496.60

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Solution

The fourth proportional to 13,465.12, 18,581.42 and 7,496.60 is: 10,345.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.12 : 18,581.42 = 7,496.60 : x
  2. Step 2: Convert to fraction form
    13,465.12/18,581.42 = 7,496.60/x
  3. Step 3: Cross multiply
    13,465.12x = 18,581.42 × 7,496.60
  4. Step 4: Simplify right side
    13,465.12x = 139,297,473.17
  5. Step 5: Solve for x
    x = 139,297,473.17/13,465.12
  6. Step 6: Final answer
    x = 10,345.06

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