Home / 11,819.16-17,730.36-3,499.86

Finding the Fourth Proportional to 11,819.16, 17,730.36 and 3,499.86

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Solution

The fourth proportional to 11,819.16, 17,730.36 and 3,499.86 is: 5,250.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819.16 : 17,730.36 = 3,499.86 : x
  2. Step 2: Convert to fraction form
    11,819.16/17,730.36 = 3,499.86/x
  3. Step 3: Cross multiply
    11,819.16x = 17,730.36 × 3,499.86
  4. Step 4: Simplify right side
    11,819.16x = 62,053,777.75
  5. Step 5: Solve for x
    x = 62,053,777.75/11,819.16
  6. Step 6: Final answer
    x = 5,250.27

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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.