Home / 13,743.21-20,614.82-7,896.09

Finding the Fourth Proportional to 13,743.21, 20,614.82 and 7,896.09

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Solution

The fourth proportional to 13,743.21, 20,614.82 and 7,896.09 is: 11,844.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743.21 : 20,614.82 = 7,896.09 : x
  2. Step 2: Convert to fraction form
    13,743.21/20,614.82 = 7,896.09/x
  3. Step 3: Cross multiply
    13,743.21x = 20,614.82 × 7,896.09
  4. Step 4: Simplify right side
    13,743.21x = 162,776,434.57
  5. Step 5: Solve for x
    x = 162,776,434.57/13,743.21
  6. Step 6: Final answer
    x = 11,844.14

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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.