Home / 11,217.24-16,827.40-3,819.72

Finding the Fourth Proportional to 11,217.24, 16,827.40 and 3,819.72

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Solution

The fourth proportional to 11,217.24, 16,827.40 and 3,819.72 is: 5,730.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.24 : 16,827.40 = 3,819.72 : x
  2. Step 2: Convert to fraction form
    11,217.24/16,827.40 = 3,819.72/x
  3. Step 3: Cross multiply
    11,217.24x = 16,827.40 × 3,819.72
  4. Step 4: Simplify right side
    11,217.24x = 64,275,956.33
  5. Step 5: Solve for x
    x = 64,275,956.33/11,217.24
  6. Step 6: Final answer
    x = 5,730.10

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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.