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Finding the Fourth Proportional to 18,818.96, 25,904.98 and 16,265.55

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Solution

The fourth proportional to 18,818.96, 25,904.98 and 16,265.55 is: 22,390.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,818.96 : 25,904.98 = 16,265.55 : x
  2. Step 2: Convert to fraction form
    18,818.96/25,904.98 = 16,265.55/x
  3. Step 3: Cross multiply
    18,818.96x = 25,904.98 × 16,265.55
  4. Step 4: Simplify right side
    18,818.96x = 421,358,627.71
  5. Step 5: Solve for x
    x = 421,358,627.71/18,818.96
  6. Step 6: Final answer
    x = 22,390.12

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