Home / 11,490.33-17,234.10-3,171.18

Finding the Fourth Proportional to 11,490.33, 17,234.10 and 3,171.18

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Solution

The fourth proportional to 11,490.33, 17,234.10 and 3,171.18 is: 4,756.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,490.33 : 17,234.10 = 3,171.18 : x
  2. Step 2: Convert to fraction form
    11,490.33/17,234.10 = 3,171.18/x
  3. Step 3: Cross multiply
    11,490.33x = 17,234.10 × 3,171.18
  4. Step 4: Simplify right side
    11,490.33x = 54,652,433.24
  5. Step 5: Solve for x
    x = 54,652,433.24/11,490.33
  6. Step 6: Final answer
    x = 4,756.38

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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.