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Finding the Fourth Proportional to 18,274.43, 25,206.82 and 12,904.67

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Solution

The fourth proportional to 18,274.43, 25,206.82 and 12,904.67 is: 17,800.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,274.43 : 25,206.82 = 12,904.67 : x
  2. Step 2: Convert to fraction form
    18,274.43/25,206.82 = 12,904.67/x
  3. Step 3: Cross multiply
    18,274.43x = 25,206.82 × 12,904.67
  4. Step 4: Simplify right side
    18,274.43x = 325,285,693.85
  5. Step 5: Solve for x
    x = 325,285,693.85/18,274.43
  6. Step 6: Final answer
    x = 17,800.05

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