Home / 11,110.64-16,663.46-3,213.14

Finding the Fourth Proportional to 11,110.64, 16,663.46 and 3,213.14

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Solution

The fourth proportional to 11,110.64, 16,663.46 and 3,213.14 is: 4,818.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.64 : 16,663.46 = 3,213.14 : x
  2. Step 2: Convert to fraction form
    11,110.64/16,663.46 = 3,213.14/x
  3. Step 3: Cross multiply
    11,110.64x = 16,663.46 × 3,213.14
  4. Step 4: Simplify right side
    11,110.64x = 53,541,930.48
  5. Step 5: Solve for x
    x = 53,541,930.48/11,110.64
  6. Step 6: Final answer
    x = 4,818.98

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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.