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Finding the Fourth Proportional to 13,575.02, 20,350.01 and 9,416.99

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Solution

The fourth proportional to 13,575.02, 20,350.01 and 9,416.99 is: 14,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575.02 : 20,350.01 = 9,416.99 : x
  2. Step 2: Convert to fraction form
    13,575.02/20,350.01 = 9,416.99/x
  3. Step 3: Cross multiply
    13,575.02x = 20,350.01 × 9,416.99
  4. Step 4: Simplify right side
    13,575.02x = 191,635,844.46
  5. Step 5: Solve for x
    x = 191,635,844.46/13,575.02
  6. Step 6: Final answer
    x = 14,116.80

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