Home / 11,329.56-16,989.06-4,310.88

Finding the Fourth Proportional to 11,329.56, 16,989.06 and 4,310.88

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Solution

The fourth proportional to 11,329.56, 16,989.06 and 4,310.88 is: 6,464.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.56 : 16,989.06 = 4,310.88 : x
  2. Step 2: Convert to fraction form
    11,329.56/16,989.06 = 4,310.88/x
  3. Step 3: Cross multiply
    11,329.56x = 16,989.06 × 4,310.88
  4. Step 4: Simplify right side
    11,329.56x = 73,237,798.97
  5. Step 5: Solve for x
    x = 73,237,798.97/11,329.56
  6. Step 6: Final answer
    x = 6,464.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.