Home / 11,423.89-17,137.64-3,634.45

Finding the Fourth Proportional to 11,423.89, 17,137.64 and 3,634.45

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Solution

The fourth proportional to 11,423.89, 17,137.64 and 3,634.45 is: 5,452.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423.89 : 17,137.64 = 3,634.45 : x
  2. Step 2: Convert to fraction form
    11,423.89/17,137.64 = 3,634.45/x
  3. Step 3: Cross multiply
    11,423.89x = 17,137.64 × 3,634.45
  4. Step 4: Simplify right side
    11,423.89x = 62,285,895.70
  5. Step 5: Solve for x
    x = 62,285,895.70/11,423.89
  6. Step 6: Final answer
    x = 5,452.25

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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.