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Finding the Fourth Proportional to 11,220.52, 16,808.82 and 6,827.08

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Solution

The fourth proportional to 11,220.52, 16,808.82 and 6,827.08 is: 10,227.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.52 : 16,808.82 = 6,827.08 : x
  2. Step 2: Convert to fraction form
    11,220.52/16,808.82 = 6,827.08/x
  3. Step 3: Cross multiply
    11,220.52x = 16,808.82 × 6,827.08
  4. Step 4: Simplify right side
    11,220.52x = 114,755,158.85
  5. Step 5: Solve for x
    x = 114,755,158.85/11,220.52
  6. Step 6: Final answer
    x = 10,227.26

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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.