Home / 14,057.78-21,086.67-3,669.54

Finding the Fourth Proportional to 14,057.78, 21,086.67 and 3,669.54

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Solution

The fourth proportional to 14,057.78, 21,086.67 and 3,669.54 is: 5,504.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,057.78 : 21,086.67 = 3,669.54 : x
  2. Step 2: Convert to fraction form
    14,057.78/21,086.67 = 3,669.54/x
  3. Step 3: Cross multiply
    14,057.78x = 21,086.67 × 3,669.54
  4. Step 4: Simplify right side
    14,057.78x = 77,378,379.03
  5. Step 5: Solve for x
    x = 77,378,379.03/14,057.78
  6. Step 6: Final answer
    x = 5,504.31

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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.