Home / 11,423.21-17,134.82-3,103.23

Finding the Fourth Proportional to 11,423.21, 17,134.82 and 3,103.23

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Solution

The fourth proportional to 11,423.21, 17,134.82 and 3,103.23 is: 4,654.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423.21 : 17,134.82 = 3,103.23 : x
  2. Step 2: Convert to fraction form
    11,423.21/17,134.82 = 3,103.23/x
  3. Step 3: Cross multiply
    11,423.21x = 17,134.82 × 3,103.23
  4. Step 4: Simplify right side
    11,423.21x = 53,173,271.95
  5. Step 5: Solve for x
    x = 53,173,271.95/11,423.21
  6. Step 6: Final answer
    x = 4,654.85

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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.