Home / 12,115.77-18,173.66-5,537.34

Finding the Fourth Proportional to 12,115.77, 18,173.66 and 5,537.34

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Solution

The fourth proportional to 12,115.77, 18,173.66 and 5,537.34 is: 8,306.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115.77 : 18,173.66 = 5,537.34 : x
  2. Step 2: Convert to fraction form
    12,115.77/18,173.66 = 5,537.34/x
  3. Step 3: Cross multiply
    12,115.77x = 18,173.66 × 5,537.34
  4. Step 4: Simplify right side
    12,115.77x = 100,633,706.78
  5. Step 5: Solve for x
    x = 100,633,706.78/12,115.77
  6. Step 6: Final answer
    x = 8,306.01

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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.