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Finding the Fourth Proportional to 11,895.20, 17,842.95 and 5,655.86

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Solution

The fourth proportional to 11,895.20, 17,842.95 and 5,655.86 is: 8,483.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.20 : 17,842.95 = 5,655.86 : x
  2. Step 2: Convert to fraction form
    11,895.20/17,842.95 = 5,655.86/x
  3. Step 3: Cross multiply
    11,895.20x = 17,842.95 × 5,655.86
  4. Step 4: Simplify right side
    11,895.20x = 100,917,227.19
  5. Step 5: Solve for x
    x = 100,917,227.19/11,895.20
  6. Step 6: Final answer
    x = 8,483.86

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