Home / 9,955.21-14,932.82-4,105.39

Finding the Fourth Proportional to 9,955.21, 14,932.82 and 4,105.39

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Solution

The fourth proportional to 9,955.21, 14,932.82 and 4,105.39 is: 6,158.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,955.21 : 14,932.82 = 4,105.39 : x
  2. Step 2: Convert to fraction form
    9,955.21/14,932.82 = 4,105.39/x
  3. Step 3: Cross multiply
    9,955.21x = 14,932.82 × 4,105.39
  4. Step 4: Simplify right side
    9,955.21x = 61,305,049.90
  5. Step 5: Solve for x
    x = 61,305,049.90/9,955.21
  6. Step 6: Final answer
    x = 6,158.09

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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.