Home / 11,174.20-16,772.10-5,633.80

Finding the Fourth Proportional to 11,174.20, 16,772.10 and 5,633.80

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Solution

The fourth proportional to 11,174.20, 16,772.10 and 5,633.80 is: 8,456.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,174.20 : 16,772.10 = 5,633.80 : x
  2. Step 2: Convert to fraction form
    11,174.20/16,772.10 = 5,633.80/x
  3. Step 3: Cross multiply
    11,174.20x = 16,772.10 × 5,633.80
  4. Step 4: Simplify right side
    11,174.20x = 94,490,656.98
  5. Step 5: Solve for x
    x = 94,490,656.98/11,174.20
  6. Step 6: Final answer
    x = 8,456.15

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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.