Home / 11,502.72-15,933.84-11,269.44

Finding the Fourth Proportional to 11,502.72, 15,933.84 and 11,269.44

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Solution

The fourth proportional to 11,502.72, 15,933.84 and 11,269.44 is: 15,610.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,502.72 : 15,933.84 = 11,269.44 : x
  2. Step 2: Convert to fraction form
    11,502.72/15,933.84 = 11,269.44/x
  3. Step 3: Cross multiply
    11,502.72x = 15,933.84 × 11,269.44
  4. Step 4: Simplify right side
    11,502.72x = 179,565,453.85
  5. Step 5: Solve for x
    x = 179,565,453.85/11,502.72
  6. Step 6: Final answer
    x = 15,610.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.