Home / 11,445.98-17,163.60-4,429.30

Finding the Fourth Proportional to 11,445.98, 17,163.60 and 4,429.30

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Solution

The fourth proportional to 11,445.98, 17,163.60 and 4,429.30 is: 6,641.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.98 : 17,163.60 = 4,429.30 : x
  2. Step 2: Convert to fraction form
    11,445.98/17,163.60 = 4,429.30/x
  3. Step 3: Cross multiply
    11,445.98x = 17,163.60 × 4,429.30
  4. Step 4: Simplify right side
    11,445.98x = 76,022,706.14
  5. Step 5: Solve for x
    x = 76,022,706.14/11,445.98
  6. Step 6: Final answer
    x = 6,641.87

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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.