Home / 11,308.12-16,955.96-8,983

Finding the Fourth Proportional to 11,308.12, 16,955.96 and 8,983

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Solution

The fourth proportional to 11,308.12, 16,955.96 and 8,983 is: 13,469.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,308.12 : 16,955.96 = 8,983 : x
  2. Step 2: Convert to fraction form
    11,308.12/16,955.96 = 8,983/x
  3. Step 3: Cross multiply
    11,308.12x = 16,955.96 × 8,983
  4. Step 4: Simplify right side
    11,308.12x = 152,315,388.68
  5. Step 5: Solve for x
    x = 152,315,388.68/11,308.12
  6. Step 6: Final answer
    x = 13,469.56

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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.