Home / 11,229.15-16,847.70-4,988.61

Finding the Fourth Proportional to 11,229.15, 16,847.70 and 4,988.61

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Solution

The fourth proportional to 11,229.15, 16,847.70 and 4,988.61 is: 7,484.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.15 : 16,847.70 = 4,988.61 : x
  2. Step 2: Convert to fraction form
    11,229.15/16,847.70 = 4,988.61/x
  3. Step 3: Cross multiply
    11,229.15x = 16,847.70 × 4,988.61
  4. Step 4: Simplify right side
    11,229.15x = 84,046,604.70
  5. Step 5: Solve for x
    x = 84,046,604.70/11,229.15
  6. Step 6: Final answer
    x = 7,484.68

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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.