Home / 11,246.72-16,871.90-4,227.28

Finding the Fourth Proportional to 11,246.72, 16,871.90 and 4,227.28

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Solution

The fourth proportional to 11,246.72, 16,871.90 and 4,227.28 is: 6,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.72 : 16,871.90 = 4,227.28 : x
  2. Step 2: Convert to fraction form
    11,246.72/16,871.90 = 4,227.28/x
  3. Step 3: Cross multiply
    11,246.72x = 16,871.90 × 4,227.28
  4. Step 4: Simplify right side
    11,246.72x = 71,322,245.43
  5. Step 5: Solve for x
    x = 71,322,245.43/11,246.72
  6. Step 6: Final answer
    x = 6,341.60

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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.