Home / 11,213.99-16,822.45-3,816.46

Finding the Fourth Proportional to 11,213.99, 16,822.45 and 3,816.46

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Solution

The fourth proportional to 11,213.99, 16,822.45 and 3,816.46 is: 5,725.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.99 : 16,822.45 = 3,816.46 : x
  2. Step 2: Convert to fraction form
    11,213.99/16,822.45 = 3,816.46/x
  3. Step 3: Cross multiply
    11,213.99x = 16,822.45 × 3,816.46
  4. Step 4: Simplify right side
    11,213.99x = 64,202,207.53
  5. Step 5: Solve for x
    x = 64,202,207.53/11,213.99
  6. Step 6: Final answer
    x = 5,725.19

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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.