Home / 11,162.61-16,743.39-4,143.99

Finding the Fourth Proportional to 11,162.61, 16,743.39 and 4,143.99

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Solution

The fourth proportional to 11,162.61, 16,743.39 and 4,143.99 is: 6,215.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,162.61 : 16,743.39 = 4,143.99 : x
  2. Step 2: Convert to fraction form
    11,162.61/16,743.39 = 4,143.99/x
  3. Step 3: Cross multiply
    11,162.61x = 16,743.39 × 4,143.99
  4. Step 4: Simplify right side
    11,162.61x = 69,384,487.97
  5. Step 5: Solve for x
    x = 69,384,487.97/11,162.61
  6. Step 6: Final answer
    x = 6,215.79

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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.