Home / 16,779.88-25,173.87-5,092.39

Finding the Fourth Proportional to 16,779.88, 25,173.87 and 5,092.39

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Solution

The fourth proportional to 16,779.88, 25,173.87 and 5,092.39 is: 7,639.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.88 : 25,173.87 = 5,092.39 : x
  2. Step 2: Convert to fraction form
    16,779.88/25,173.87 = 5,092.39/x
  3. Step 3: Cross multiply
    16,779.88x = 25,173.87 × 5,092.39
  4. Step 4: Simplify right side
    16,779.88x = 128,195,163.85
  5. Step 5: Solve for x
    x = 128,195,163.85/16,779.88
  6. Step 6: Final answer
    x = 7,639.81

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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.