Home / 13,764.28-18,986.25-12,000.10

Finding the Fourth Proportional to 13,764.28, 18,986.25 and 12,000.10

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Solution

The fourth proportional to 13,764.28, 18,986.25 and 12,000.10 is: 16,552.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.28 : 18,986.25 = 12,000.10 : x
  2. Step 2: Convert to fraction form
    13,764.28/18,986.25 = 12,000.10/x
  3. Step 3: Cross multiply
    13,764.28x = 18,986.25 × 12,000.10
  4. Step 4: Simplify right side
    13,764.28x = 227,836,898.63
  5. Step 5: Solve for x
    x = 227,836,898.63/13,764.28
  6. Step 6: Final answer
    x = 16,552.77

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