Home / 11,778.60-16,246.24-9,997.92

Finding the Fourth Proportional to 11,778.60, 16,246.24 and 9,997.92

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Solution

The fourth proportional to 11,778.60, 16,246.24 and 9,997.92 is: 13,790.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.60 : 16,246.24 = 9,997.92 : x
  2. Step 2: Convert to fraction form
    11,778.60/16,246.24 = 9,997.92/x
  3. Step 3: Cross multiply
    11,778.60x = 16,246.24 × 9,997.92
  4. Step 4: Simplify right side
    11,778.60x = 162,428,607.82
  5. Step 5: Solve for x
    x = 162,428,607.82/11,778.60
  6. Step 6: Final answer
    x = 13,790.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.