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Finding the Fourth Proportional to 11,273.78, 16,910.67 and 8,804.90

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Solution

The fourth proportional to 11,273.78, 16,910.67 and 8,804.90 is: 13,207.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,273.78 : 16,910.67 = 8,804.90 : x
  2. Step 2: Convert to fraction form
    11,273.78/16,910.67 = 8,804.90/x
  3. Step 3: Cross multiply
    11,273.78x = 16,910.67 × 8,804.90
  4. Step 4: Simplify right side
    11,273.78x = 148,896,758.28
  5. Step 5: Solve for x
    x = 148,896,758.28/11,273.78
  6. Step 6: Final answer
    x = 13,207.35

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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.