Home / 11,056.55-15,241.92-8,399.35

Finding the Fourth Proportional to 11,056.55, 15,241.92 and 8,399.35

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Solution

The fourth proportional to 11,056.55, 15,241.92 and 8,399.35 is: 11,578.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,056.55 : 15,241.92 = 8,399.35 : x
  2. Step 2: Convert to fraction form
    11,056.55/15,241.92 = 8,399.35/x
  3. Step 3: Cross multiply
    11,056.55x = 15,241.92 × 8,399.35
  4. Step 4: Simplify right side
    11,056.55x = 128,022,144.54
  5. Step 5: Solve for x
    x = 128,022,144.54/11,056.55
  6. Step 6: Final answer
    x = 11,578.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.