Home / 20,699.92-28,565.28-11,748.24

Finding the Fourth Proportional to 20,699.92, 28,565.28 and 11,748.24

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Solution

The fourth proportional to 20,699.92, 28,565.28 and 11,748.24 is: 16,212.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,699.92 : 28,565.28 = 11,748.24 : x
  2. Step 2: Convert to fraction form
    20,699.92/28,565.28 = 11,748.24/x
  3. Step 3: Cross multiply
    20,699.92x = 28,565.28 × 11,748.24
  4. Step 4: Simplify right side
    20,699.92x = 335,591,765.11
  5. Step 5: Solve for x
    x = 335,591,765.11/20,699.92
  6. Step 6: Final answer
    x = 16,212.23

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