Home / 14,091.82-21,141.24-4,231.28

Finding the Fourth Proportional to 14,091.82, 21,141.24 and 4,231.28

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Solution

The fourth proportional to 14,091.82, 21,141.24 and 4,231.28 is: 6,347.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.82 : 21,141.24 = 4,231.28 : x
  2. Step 2: Convert to fraction form
    14,091.82/21,141.24 = 4,231.28/x
  3. Step 3: Cross multiply
    14,091.82x = 21,141.24 × 4,231.28
  4. Step 4: Simplify right side
    14,091.82x = 89,454,505.99
  5. Step 5: Solve for x
    x = 89,454,505.99/14,091.82
  6. Step 6: Final answer
    x = 6,347.97

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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.