Home / 11,951.28-17,926.91-3,631.26

Finding the Fourth Proportional to 11,951.28, 17,926.91 and 3,631.26

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Solution

The fourth proportional to 11,951.28, 17,926.91 and 3,631.26 is: 5,446.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,951.28 : 17,926.91 = 3,631.26 : x
  2. Step 2: Convert to fraction form
    11,951.28/17,926.91 = 3,631.26/x
  3. Step 3: Cross multiply
    11,951.28x = 17,926.91 × 3,631.26
  4. Step 4: Simplify right side
    11,951.28x = 65,097,271.21
  5. Step 5: Solve for x
    x = 65,097,271.21/11,951.28
  6. Step 6: Final answer
    x = 5,446.89

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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.