Home / 21,463.53-32,176.32-8,127.26

Finding the Fourth Proportional to 21,463.53, 32,176.32 and 8,127.26

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Solution

The fourth proportional to 21,463.53, 32,176.32 and 8,127.26 is: 12,183.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,463.53 : 32,176.32 = 8,127.26 : x
  2. Step 2: Convert to fraction form
    21,463.53/32,176.32 = 8,127.26/x
  3. Step 3: Cross multiply
    21,463.53x = 32,176.32 × 8,127.26
  4. Step 4: Simplify right side
    21,463.53x = 261,505,318.48
  5. Step 5: Solve for x
    x = 261,505,318.48/21,463.53
  6. Step 6: Final answer
    x = 12,183.71

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Why These Related Problems?

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