Home / 11,310.45-15,604.68-6,832.50

Finding the Fourth Proportional to 11,310.45, 15,604.68 and 6,832.50

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Solution

The fourth proportional to 11,310.45, 15,604.68 and 6,832.50 is: 9,426.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.45 : 15,604.68 = 6,832.50 : x
  2. Step 2: Convert to fraction form
    11,310.45/15,604.68 = 6,832.50/x
  3. Step 3: Cross multiply
    11,310.45x = 15,604.68 × 6,832.50
  4. Step 4: Simplify right side
    11,310.45x = 106,618,976.10
  5. Step 5: Solve for x
    x = 106,618,976.10/11,310.45
  6. Step 6: Final answer
    x = 9,426.59

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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.