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Finding the Fourth Proportional to 13,163.40, 19,746.11 and 4,398.32

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Solution

The fourth proportional to 13,163.40, 19,746.11 and 4,398.32 is: 6,597.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,163.40 : 19,746.11 = 4,398.32 : x
  2. Step 2: Convert to fraction form
    13,163.40/19,746.11 = 4,398.32/x
  3. Step 3: Cross multiply
    13,163.40x = 19,746.11 × 4,398.32
  4. Step 4: Simplify right side
    13,163.40x = 86,849,770.90
  5. Step 5: Solve for x
    x = 86,849,770.90/13,163.40
  6. Step 6: Final answer
    x = 6,597.82

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