Home / 11,217.12-16,823.34-3,821.52

Finding the Fourth Proportional to 11,217.12, 16,823.34 and 3,821.52

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Solution

The fourth proportional to 11,217.12, 16,823.34 and 3,821.52 is: 5,731.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.12 : 16,823.34 = 3,821.52 : x
  2. Step 2: Convert to fraction form
    11,217.12/16,823.34 = 3,821.52/x
  3. Step 3: Cross multiply
    11,217.12x = 16,823.34 × 3,821.52
  4. Step 4: Simplify right side
    11,217.12x = 64,290,730.28
  5. Step 5: Solve for x
    x = 64,290,730.28/11,217.12
  6. Step 6: Final answer
    x = 5,731.48

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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.