Home / 11,239.43-16,861.85-4,219.52

Finding the Fourth Proportional to 11,239.43, 16,861.85 and 4,219.52

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Solution

The fourth proportional to 11,239.43, 16,861.85 and 4,219.52 is: 6,330.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.43 : 16,861.85 = 4,219.52 : x
  2. Step 2: Convert to fraction form
    11,239.43/16,861.85 = 4,219.52/x
  3. Step 3: Cross multiply
    11,239.43x = 16,861.85 × 4,219.52
  4. Step 4: Simplify right side
    11,239.43x = 71,148,839.55
  5. Step 5: Solve for x
    x = 71,148,839.55/11,239.43
  6. Step 6: Final answer
    x = 6,330.29

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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.