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Finding the Fourth Proportional to 13,925.58, 20,889.36 and 5,605.62

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Solution

The fourth proportional to 13,925.58, 20,889.36 and 5,605.62 is: 8,408.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.58 : 20,889.36 = 5,605.62 : x
  2. Step 2: Convert to fraction form
    13,925.58/20,889.36 = 5,605.62/x
  3. Step 3: Cross multiply
    13,925.58x = 20,889.36 × 5,605.62
  4. Step 4: Simplify right side
    13,925.58x = 117,097,814.20
  5. Step 5: Solve for x
    x = 117,097,814.20/13,925.58
  6. Step 6: Final answer
    x = 8,408.83

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