Home / 11,241.06-16,861.60-2,920.38

Finding the Fourth Proportional to 11,241.06, 16,861.60 and 2,920.38

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Solution

The fourth proportional to 11,241.06, 16,861.60 and 2,920.38 is: 4,380.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,241.06 : 16,861.60 = 2,920.38 : x
  2. Step 2: Convert to fraction form
    11,241.06/16,861.60 = 2,920.38/x
  3. Step 3: Cross multiply
    11,241.06x = 16,861.60 × 2,920.38
  4. Step 4: Simplify right side
    11,241.06x = 49,242,279.41
  5. Step 5: Solve for x
    x = 49,242,279.41/11,241.06
  6. Step 6: Final answer
    x = 4,380.57

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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.