Home / 13,907.61-20,861.41-9,236.73

Finding the Fourth Proportional to 13,907.61, 20,861.41 and 9,236.73

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Solution

The fourth proportional to 13,907.61, 20,861.41 and 9,236.73 is: 13,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,907.61 : 20,861.41 = 9,236.73 : x
  2. Step 2: Convert to fraction form
    13,907.61/20,861.41 = 9,236.73/x
  3. Step 3: Cross multiply
    13,907.61x = 20,861.41 × 9,236.73
  4. Step 4: Simplify right side
    13,907.61x = 192,691,249.41
  5. Step 5: Solve for x
    x = 192,691,249.41/13,907.61
  6. Step 6: Final answer
    x = 13,855.10

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Similar ratio
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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.