Home / 15,986.86-23,979.43-4,893.55

Finding the Fourth Proportional to 15,986.86, 23,979.43 and 4,893.55

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Solution

The fourth proportional to 15,986.86, 23,979.43 and 4,893.55 is: 7,340.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986.86 : 23,979.43 = 4,893.55 : x
  2. Step 2: Convert to fraction form
    15,986.86/23,979.43 = 4,893.55/x
  3. Step 3: Cross multiply
    15,986.86x = 23,979.43 × 4,893.55
  4. Step 4: Simplify right side
    15,986.86x = 117,344,575.77
  5. Step 5: Solve for x
    x = 117,344,575.77/15,986.86
  6. Step 6: Final answer
    x = 7,340.07

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