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Finding the Fourth Proportional to 20,903.26, 28,848.45 and 11,951.50

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Solution

The fourth proportional to 20,903.26, 28,848.45 and 11,951.50 is: 16,494.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,903.26 : 28,848.45 = 11,951.50 : x
  2. Step 2: Convert to fraction form
    20,903.26/28,848.45 = 11,951.50/x
  3. Step 3: Cross multiply
    20,903.26x = 28,848.45 × 11,951.50
  4. Step 4: Simplify right side
    20,903.26x = 344,782,250.18
  5. Step 5: Solve for x
    x = 344,782,250.18/20,903.26
  6. Step 6: Final answer
    x = 16,494.19

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