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Finding the Fourth Proportional to 14,295.44, 21,396.62 and 12,931.27

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Solution

The fourth proportional to 14,295.44, 21,396.62 and 12,931.27 is: 19,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,295.44 : 21,396.62 = 12,931.27 : x
  2. Step 2: Convert to fraction form
    14,295.44/21,396.62 = 12,931.27/x
  3. Step 3: Cross multiply
    14,295.44x = 21,396.62 × 12,931.27
  4. Step 4: Simplify right side
    14,295.44x = 276,685,449.14
  5. Step 5: Solve for x
    x = 276,685,449.14/14,295.44
  6. Step 6: Final answer
    x = 19,354.80

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