Home / 10,855.31-16,261.92-6,161.12

Finding the Fourth Proportional to 10,855.31, 16,261.92 and 6,161.12

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Solution

The fourth proportional to 10,855.31, 16,261.92 and 6,161.12 is: 9,229.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.31 : 16,261.92 = 6,161.12 : x
  2. Step 2: Convert to fraction form
    10,855.31/16,261.92 = 6,161.12/x
  3. Step 3: Cross multiply
    10,855.31x = 16,261.92 × 6,161.12
  4. Step 4: Simplify right side
    10,855.31x = 100,191,559.24
  5. Step 5: Solve for x
    x = 100,191,559.24/10,855.31
  6. Step 6: Final answer
    x = 9,229.73

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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.