Home / 11,330.60-16,976.72-6,938.88

Finding the Fourth Proportional to 11,330.60, 16,976.72 and 6,938.88

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Solution

The fourth proportional to 11,330.60, 16,976.72 and 6,938.88 is: 10,396.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.60 : 16,976.72 = 6,938.88 : x
  2. Step 2: Convert to fraction form
    11,330.60/16,976.72 = 6,938.88/x
  3. Step 3: Cross multiply
    11,330.60x = 16,976.72 × 6,938.88
  4. Step 4: Simplify right side
    11,330.60x = 117,799,388.18
  5. Step 5: Solve for x
    x = 117,799,388.18/11,330.60
  6. Step 6: Final answer
    x = 10,396.58

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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.