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Finding the Fourth Proportional to 16,809.92, 25,200.75 and 7,315.15

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Solution

The fourth proportional to 16,809.92, 25,200.75 and 7,315.15 is: 10,966.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,809.92 : 25,200.75 = 7,315.15 : x
  2. Step 2: Convert to fraction form
    16,809.92/25,200.75 = 7,315.15/x
  3. Step 3: Cross multiply
    16,809.92x = 25,200.75 × 7,315.15
  4. Step 4: Simplify right side
    16,809.92x = 184,347,266.36
  5. Step 5: Solve for x
    x = 184,347,266.36/16,809.92
  6. Step 6: Final answer
    x = 10,966.58

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