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Finding the Fourth Proportional to 19,916.31, 27,483.53 and 10,964.60

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Solution

The fourth proportional to 19,916.31, 27,483.53 and 10,964.60 is: 15,130.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,916.31 : 27,483.53 = 10,964.60 : x
  2. Step 2: Convert to fraction form
    19,916.31/27,483.53 = 10,964.60/x
  3. Step 3: Cross multiply
    19,916.31x = 27,483.53 × 10,964.60
  4. Step 4: Simplify right side
    19,916.31x = 301,345,720.80
  5. Step 5: Solve for x
    x = 301,345,720.80/19,916.31
  6. Step 6: Final answer
    x = 15,130.60

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