Home / 11,704.20-17,556.30-8,423.70

Finding the Fourth Proportional to 11,704.20, 17,556.30 and 8,423.70

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Solution

The fourth proportional to 11,704.20, 17,556.30 and 8,423.70 is: 12,635.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,704.20 : 17,556.30 = 8,423.70 : x
  2. Step 2: Convert to fraction form
    11,704.20/17,556.30 = 8,423.70/x
  3. Step 3: Cross multiply
    11,704.20x = 17,556.30 × 8,423.70
  4. Step 4: Simplify right side
    11,704.20x = 147,889,004.31
  5. Step 5: Solve for x
    x = 147,889,004.31/11,704.20
  6. Step 6: Final answer
    x = 12,635.55

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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.