Home / 13,331.26-19,996.90-4,097.26

Finding the Fourth Proportional to 13,331.26, 19,996.90 and 4,097.26

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Solution

The fourth proportional to 13,331.26, 19,996.90 and 4,097.26 is: 6,145.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.26 : 19,996.90 = 4,097.26 : x
  2. Step 2: Convert to fraction form
    13,331.26/19,996.90 = 4,097.26/x
  3. Step 3: Cross multiply
    13,331.26x = 19,996.90 × 4,097.26
  4. Step 4: Simplify right side
    13,331.26x = 81,932,498.49
  5. Step 5: Solve for x
    x = 81,932,498.49/13,331.26
  6. Step 6: Final answer
    x = 6,145.89

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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.