Home / 13,183.62-19,781.91-6,164.11

Finding the Fourth Proportional to 13,183.62, 19,781.91 and 6,164.11

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Solution

The fourth proportional to 13,183.62, 19,781.91 and 6,164.11 is: 9,249.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183.62 : 19,781.91 = 6,164.11 : x
  2. Step 2: Convert to fraction form
    13,183.62/19,781.91 = 6,164.11/x
  3. Step 3: Cross multiply
    13,183.62x = 19,781.91 × 6,164.11
  4. Step 4: Simplify right side
    13,183.62x = 121,937,869.25
  5. Step 5: Solve for x
    x = 121,937,869.25/13,183.62
  6. Step 6: Final answer
    x = 9,249.19

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.