Home / 11,091.44-15,306.08-6,375.76

Finding the Fourth Proportional to 11,091.44, 15,306.08 and 6,375.76

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Solution

The fourth proportional to 11,091.44, 15,306.08 and 6,375.76 is: 8,798.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,091.44 : 15,306.08 = 6,375.76 : x
  2. Step 2: Convert to fraction form
    11,091.44/15,306.08 = 6,375.76/x
  3. Step 3: Cross multiply
    11,091.44x = 15,306.08 × 6,375.76
  4. Step 4: Simplify right side
    11,091.44x = 97,587,892.62
  5. Step 5: Solve for x
    x = 97,587,892.62/11,091.44
  6. Step 6: Final answer
    x = 8,798.49

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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.