Home / 11,230.50-16,849.40-5,387.57

Finding the Fourth Proportional to 11,230.50, 16,849.40 and 5,387.57

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Solution

The fourth proportional to 11,230.50, 16,849.40 and 5,387.57 is: 8,083.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,230.50 : 16,849.40 = 5,387.57 : x
  2. Step 2: Convert to fraction form
    11,230.50/16,849.40 = 5,387.57/x
  3. Step 3: Cross multiply
    11,230.50x = 16,849.40 × 5,387.57
  4. Step 4: Simplify right side
    11,230.50x = 90,777,321.96
  5. Step 5: Solve for x
    x = 90,777,321.96/11,230.50
  6. Step 6: Final answer
    x = 8,083.11

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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.