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Finding the Fourth Proportional to 19,837.76, 27,380.16 and 11,453.12

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Solution

The fourth proportional to 19,837.76, 27,380.16 and 11,453.12 is: 15,807.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,837.76 : 27,380.16 = 11,453.12 : x
  2. Step 2: Convert to fraction form
    19,837.76/27,380.16 = 11,453.12/x
  3. Step 3: Cross multiply
    19,837.76x = 27,380.16 × 11,453.12
  4. Step 4: Simplify right side
    19,837.76x = 313,588,258.10
  5. Step 5: Solve for x
    x = 313,588,258.10/19,837.76
  6. Step 6: Final answer
    x = 15,807.64

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