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Finding the Fourth Proportional to 15,455.43, 23,187.47 and 5,074.47

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Solution

The fourth proportional to 15,455.43, 23,187.47 and 5,074.47 is: 7,613.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455.43 : 23,187.47 = 5,074.47 : x
  2. Step 2: Convert to fraction form
    15,455.43/23,187.47 = 5,074.47/x
  3. Step 3: Cross multiply
    15,455.43x = 23,187.47 × 5,074.47
  4. Step 4: Simplify right side
    15,455.43x = 117,664,095.52
  5. Step 5: Solve for x
    x = 117,664,095.52/15,455.43
  6. Step 6: Final answer
    x = 7,613.12

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