Home / 11,239.10-16,861.33-3,843.63

Finding the Fourth Proportional to 11,239.10, 16,861.33 and 3,843.63

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Solution

The fourth proportional to 11,239.10, 16,861.33 and 3,843.63 is: 5,766.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.10 : 16,861.33 = 3,843.63 : x
  2. Step 2: Convert to fraction form
    11,239.10/16,861.33 = 3,843.63/x
  3. Step 3: Cross multiply
    11,239.10x = 16,861.33 × 3,843.63
  4. Step 4: Simplify right side
    11,239.10x = 64,808,713.83
  5. Step 5: Solve for x
    x = 64,808,713.83/11,239.10
  6. Step 6: Final answer
    x = 5,766.36

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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.