Home / 11,215.28-16,819.22-3,717.11

Finding the Fourth Proportional to 11,215.28, 16,819.22 and 3,717.11

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Solution

The fourth proportional to 11,215.28, 16,819.22 and 3,717.11 is: 5,574.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.28 : 16,819.22 = 3,717.11 : x
  2. Step 2: Convert to fraction form
    11,215.28/16,819.22 = 3,717.11/x
  3. Step 3: Cross multiply
    11,215.28x = 16,819.22 × 3,717.11
  4. Step 4: Simplify right side
    11,215.28x = 62,518,942.20
  5. Step 5: Solve for x
    x = 62,518,942.20/11,215.28
  6. Step 6: Final answer
    x = 5,574.44

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1.5x scale

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.