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Finding the Fourth Proportional to 12,305.16, 16,982.84 and 7,000.48

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Solution

The fourth proportional to 12,305.16, 16,982.84 and 7,000.48 is: 9,661.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,305.16 : 16,982.84 = 7,000.48 : x
  2. Step 2: Convert to fraction form
    12,305.16/16,982.84 = 7,000.48/x
  3. Step 3: Cross multiply
    12,305.16x = 16,982.84 × 7,000.48
  4. Step 4: Simplify right side
    12,305.16x = 118,888,031.76
  5. Step 5: Solve for x
    x = 118,888,031.76/12,305.16
  6. Step 6: Final answer
    x = 9,661.64

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