Home / 11,221.26-15,484.43-6,505.85

Finding the Fourth Proportional to 11,221.26, 15,484.43 and 6,505.85

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Solution

The fourth proportional to 11,221.26, 15,484.43 and 6,505.85 is: 8,977.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,221.26 : 15,484.43 = 6,505.85 : x
  2. Step 2: Convert to fraction form
    11,221.26/15,484.43 = 6,505.85/x
  3. Step 3: Cross multiply
    11,221.26x = 15,484.43 × 6,505.85
  4. Step 4: Simplify right side
    11,221.26x = 100,739,268.96
  5. Step 5: Solve for x
    x = 100,739,268.96/11,221.26
  6. Step 6: Final answer
    x = 8,977.54

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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.