Home / 11,219.91-16,829.86-3,011.91

Finding the Fourth Proportional to 11,219.91, 16,829.86 and 3,011.91

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Solution

The fourth proportional to 11,219.91, 16,829.86 and 3,011.91 is: 4,517.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.91 : 16,829.86 = 3,011.91 : x
  2. Step 2: Convert to fraction form
    11,219.91/16,829.86 = 3,011.91/x
  3. Step 3: Cross multiply
    11,219.91x = 16,829.86 × 3,011.91
  4. Step 4: Simplify right side
    11,219.91x = 50,689,958.64
  5. Step 5: Solve for x
    x = 50,689,958.64/11,219.91
  6. Step 6: Final answer
    x = 4,517.86

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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.