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Finding the Fourth Proportional to 18,316.22, 25,276.40 and 9,932.72

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Solution

The fourth proportional to 18,316.22, 25,276.40 and 9,932.72 is: 13,707.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,316.22 : 25,276.40 = 9,932.72 : x
  2. Step 2: Convert to fraction form
    18,316.22/25,276.40 = 9,932.72/x
  3. Step 3: Cross multiply
    18,316.22x = 25,276.40 × 9,932.72
  4. Step 4: Simplify right side
    18,316.22x = 251,063,403.81
  5. Step 5: Solve for x
    x = 251,063,403.81/18,316.22
  6. Step 6: Final answer
    x = 13,707.16

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