Home / 11,087.37-15,306.21-8,563.83

Finding the Fourth Proportional to 11,087.37, 15,306.21 and 8,563.83

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Solution

The fourth proportional to 11,087.37, 15,306.21 and 8,563.83 is: 11,822.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,087.37 : 15,306.21 = 8,563.83 : x
  2. Step 2: Convert to fraction form
    11,087.37/15,306.21 = 8,563.83/x
  3. Step 3: Cross multiply
    11,087.37x = 15,306.21 × 8,563.83
  4. Step 4: Simplify right side
    11,087.37x = 131,079,780.38
  5. Step 5: Solve for x
    x = 131,079,780.38/11,087.37
  6. Step 6: Final answer
    x = 11,822.44

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.