Home / 13,100.24-19,620.84-7,540.40

Finding the Fourth Proportional to 13,100.24, 19,620.84 and 7,540.40

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Solution

The fourth proportional to 13,100.24, 19,620.84 and 7,540.40 is: 11,293.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,100.24 : 19,620.84 = 7,540.40 : x
  2. Step 2: Convert to fraction form
    13,100.24/19,620.84 = 7,540.40/x
  3. Step 3: Cross multiply
    13,100.24x = 19,620.84 × 7,540.40
  4. Step 4: Simplify right side
    13,100.24x = 147,948,981.94
  5. Step 5: Solve for x
    x = 147,948,981.94/13,100.24
  6. Step 6: Final answer
    x = 11,293.61

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