Home / 11,905.48-16,396.32-11,647.14

Finding the Fourth Proportional to 11,905.48, 16,396.32 and 11,647.14

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Solution

The fourth proportional to 11,905.48, 16,396.32 and 11,647.14 is: 16,040.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905.48 : 16,396.32 = 11,647.14 : x
  2. Step 2: Convert to fraction form
    11,905.48/16,396.32 = 11,647.14/x
  3. Step 3: Cross multiply
    11,905.48x = 16,396.32 × 11,647.14
  4. Step 4: Simplify right side
    11,905.48x = 190,970,308.94
  5. Step 5: Solve for x
    x = 190,970,308.94/11,905.48
  6. Step 6: Final answer
    x = 16,040.54

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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.