Home / 10,190.88-15,286.32-7,996.59

Finding the Fourth Proportional to 10,190.88, 15,286.32 and 7,996.59

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Solution

The fourth proportional to 10,190.88, 15,286.32 and 7,996.59 is: 11,994.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.88 : 15,286.32 = 7,996.59 : x
  2. Step 2: Convert to fraction form
    10,190.88/15,286.32 = 7,996.59/x
  3. Step 3: Cross multiply
    10,190.88x = 15,286.32 × 7,996.59
  4. Step 4: Simplify right side
    10,190.88x = 122,238,433.65
  5. Step 5: Solve for x
    x = 122,238,433.65/10,190.88
  6. Step 6: Final answer
    x = 11,994.89

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Half scale
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Double scale
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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.