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Finding the Fourth Proportional to 9,743.76, 13,447.15 and 5,709.35

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Solution

The fourth proportional to 9,743.76, 13,447.15 and 5,709.35 is: 7,879.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,743.76 : 13,447.15 = 5,709.35 : x
  2. Step 2: Convert to fraction form
    9,743.76/13,447.15 = 5,709.35/x
  3. Step 3: Cross multiply
    9,743.76x = 13,447.15 × 5,709.35
  4. Step 4: Simplify right side
    9,743.76x = 76,774,505.20
  5. Step 5: Solve for x
    x = 76,774,505.20/9,743.76
  6. Step 6: Final answer
    x = 7,879.35

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