Home / 11,404.60-17,108.70-3,614.20

Finding the Fourth Proportional to 11,404.60, 17,108.70 and 3,614.20

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Solution

The fourth proportional to 11,404.60, 17,108.70 and 3,614.20 is: 5,421.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,404.60 : 17,108.70 = 3,614.20 : x
  2. Step 2: Convert to fraction form
    11,404.60/17,108.70 = 3,614.20/x
  3. Step 3: Cross multiply
    11,404.60x = 17,108.70 × 3,614.20
  4. Step 4: Simplify right side
    11,404.60x = 61,834,263.54
  5. Step 5: Solve for x
    x = 61,834,263.54/11,404.60
  6. Step 6: Final answer
    x = 5,421.87

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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.