Home / 13,464.73-20,197.11-6,443.09

Finding the Fourth Proportional to 13,464.73, 20,197.11 and 6,443.09

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Solution

The fourth proportional to 13,464.73, 20,197.11 and 6,443.09 is: 9,664.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,464.73 : 20,197.11 = 6,443.09 : x
  2. Step 2: Convert to fraction form
    13,464.73/20,197.11 = 6,443.09/x
  3. Step 3: Cross multiply
    13,464.73x = 20,197.11 × 6,443.09
  4. Step 4: Simplify right side
    13,464.73x = 130,131,664.27
  5. Step 5: Solve for x
    x = 130,131,664.27/13,464.73
  6. Step 6: Final answer
    x = 9,664.63

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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.