Home / 11,623.28-17,436.36-3,837.20

Finding the Fourth Proportional to 11,623.28, 17,436.36 and 3,837.20

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Solution

The fourth proportional to 11,623.28, 17,436.36 and 3,837.20 is: 5,756.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623.28 : 17,436.36 = 3,837.20 : x
  2. Step 2: Convert to fraction form
    11,623.28/17,436.36 = 3,837.20/x
  3. Step 3: Cross multiply
    11,623.28x = 17,436.36 × 3,837.20
  4. Step 4: Simplify right side
    11,623.28x = 66,906,800.59
  5. Step 5: Solve for x
    x = 66,906,800.59/11,623.28
  6. Step 6: Final answer
    x = 5,756.28

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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.