Home / 15,936.32-21,994.26-11,951.12

Finding the Fourth Proportional to 15,936.32, 21,994.26 and 11,951.12

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Solution

The fourth proportional to 15,936.32, 21,994.26 and 11,951.12 is: 16,494.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,936.32 : 21,994.26 = 11,951.12 : x
  2. Step 2: Convert to fraction form
    15,936.32/21,994.26 = 11,951.12/x
  3. Step 3: Cross multiply
    15,936.32x = 21,994.26 × 11,951.12
  4. Step 4: Simplify right side
    15,936.32x = 262,856,040.57
  5. Step 5: Solve for x
    x = 262,856,040.57/15,936.32
  6. Step 6: Final answer
    x = 16,494.15

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.