Home / 11,110.67-15,331.97-6,330

Finding the Fourth Proportional to 11,110.67, 15,331.97 and 6,330

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Solution

The fourth proportional to 11,110.67, 15,331.97 and 6,330 is: 8,734.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.67 : 15,331.97 = 6,330 : x
  2. Step 2: Convert to fraction form
    11,110.67/15,331.97 = 6,330/x
  3. Step 3: Cross multiply
    11,110.67x = 15,331.97 × 6,330
  4. Step 4: Simplify right side
    11,110.67x = 97,051,338.45
  5. Step 5: Solve for x
    x = 97,051,338.45/11,110.67
  6. Step 6: Final answer
    x = 8,734.97

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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.