Home / 11,226.82-16,821.12-7,933.60

Finding the Fourth Proportional to 11,226.82, 16,821.12 and 7,933.60

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Solution

The fourth proportional to 11,226.82, 16,821.12 and 7,933.60 is: 11,886.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.82 : 16,821.12 = 7,933.60 : x
  2. Step 2: Convert to fraction form
    11,226.82/16,821.12 = 7,933.60/x
  3. Step 3: Cross multiply
    11,226.82x = 16,821.12 × 7,933.60
  4. Step 4: Simplify right side
    11,226.82x = 133,452,037.63
  5. Step 5: Solve for x
    x = 133,452,037.63/11,226.82
  6. Step 6: Final answer
    x = 11,886.90

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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.