Home / 11,213.34-16,821.81-3,818.22

Finding the Fourth Proportional to 11,213.34, 16,821.81 and 3,818.22

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Solution

The fourth proportional to 11,213.34, 16,821.81 and 3,818.22 is: 5,727.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.34 : 16,821.81 = 3,818.22 : x
  2. Step 2: Convert to fraction form
    11,213.34/16,821.81 = 3,818.22/x
  3. Step 3: Cross multiply
    11,213.34x = 16,821.81 × 3,818.22
  4. Step 4: Simplify right side
    11,213.34x = 64,229,371.38
  5. Step 5: Solve for x
    x = 64,229,371.38/11,213.34
  6. Step 6: Final answer
    x = 5,727.94

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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.