Home / 11,012.66-16,520.46-3,221.36

Finding the Fourth Proportional to 11,012.66, 16,520.46 and 3,221.36

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Solution

The fourth proportional to 11,012.66, 16,520.46 and 3,221.36 is: 4,832.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,012.66 : 16,520.46 = 3,221.36 : x
  2. Step 2: Convert to fraction form
    11,012.66/16,520.46 = 3,221.36/x
  3. Step 3: Cross multiply
    11,012.66x = 16,520.46 × 3,221.36
  4. Step 4: Simplify right side
    11,012.66x = 53,218,349.03
  5. Step 5: Solve for x
    x = 53,218,349.03/11,012.66
  6. Step 6: Final answer
    x = 4,832.47

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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.