Home / 11,115.05-15,341.67-6,337.73

Finding the Fourth Proportional to 11,115.05, 15,341.67 and 6,337.73

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Solution

The fourth proportional to 11,115.05, 15,341.67 and 6,337.73 is: 8,747.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,115.05 : 15,341.67 = 6,337.73 : x
  2. Step 2: Convert to fraction form
    11,115.05/15,341.67 = 6,337.73/x
  3. Step 3: Cross multiply
    11,115.05x = 15,341.67 × 6,337.73
  4. Step 4: Simplify right side
    11,115.05x = 97,231,400.56
  5. Step 5: Solve for x
    x = 97,231,400.56/11,115.05
  6. Step 6: Final answer
    x = 8,747.73

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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.