Home / 11,129.43-16,694.70-3,337.50

Finding the Fourth Proportional to 11,129.43, 16,694.70 and 3,337.50

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Solution

The fourth proportional to 11,129.43, 16,694.70 and 3,337.50 is: 5,006.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.43 : 16,694.70 = 3,337.50 : x
  2. Step 2: Convert to fraction form
    11,129.43/16,694.70 = 3,337.50/x
  3. Step 3: Cross multiply
    11,129.43x = 16,694.70 × 3,337.50
  4. Step 4: Simplify right side
    11,129.43x = 55,718,561.25
  5. Step 5: Solve for x
    x = 55,718,561.25/11,129.43
  6. Step 6: Final answer
    x = 5,006.42

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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.