Home / 14,226.28-21,339.81-3,838

Finding the Fourth Proportional to 14,226.28, 21,339.81 and 3,838

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Solution

The fourth proportional to 14,226.28, 21,339.81 and 3,838 is: 5,757.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.28 : 21,339.81 = 3,838 : x
  2. Step 2: Convert to fraction form
    14,226.28/21,339.81 = 3,838/x
  3. Step 3: Cross multiply
    14,226.28x = 21,339.81 × 3,838
  4. Step 4: Simplify right side
    14,226.28x = 81,902,190.78
  5. Step 5: Solve for x
    x = 81,902,190.78/14,226.28
  6. Step 6: Final answer
    x = 5,757.11

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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.