Home / 12,190.62-18,285.93-4,399.44

Finding the Fourth Proportional to 12,190.62, 18,285.93 and 4,399.44

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Solution

The fourth proportional to 12,190.62, 18,285.93 and 4,399.44 is: 6,599.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190.62 : 18,285.93 = 4,399.44 : x
  2. Step 2: Convert to fraction form
    12,190.62/18,285.93 = 4,399.44/x
  3. Step 3: Cross multiply
    12,190.62x = 18,285.93 × 4,399.44
  4. Step 4: Simplify right side
    12,190.62x = 80,447,851.88
  5. Step 5: Solve for x
    x = 80,447,851.88/12,190.62
  6. Step 6: Final answer
    x = 6,599.16

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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.