Home / 11,311.92-16,965.09-4,743

Finding the Fourth Proportional to 11,311.92, 16,965.09 and 4,743

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Solution

The fourth proportional to 11,311.92, 16,965.09 and 4,743 is: 7,113.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.92 : 16,965.09 = 4,743 : x
  2. Step 2: Convert to fraction form
    11,311.92/16,965.09 = 4,743/x
  3. Step 3: Cross multiply
    11,311.92x = 16,965.09 × 4,743
  4. Step 4: Simplify right side
    11,311.92x = 80,465,421.87
  5. Step 5: Solve for x
    x = 80,465,421.87/11,311.92
  6. Step 6: Final answer
    x = 7,113.33

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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.