Home / 11,167.89-16,750.28-3,771.39

Finding the Fourth Proportional to 11,167.89, 16,750.28 and 3,771.39

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Solution

The fourth proportional to 11,167.89, 16,750.28 and 3,771.39 is: 5,656.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.89 : 16,750.28 = 3,771.39 : x
  2. Step 2: Convert to fraction form
    11,167.89/16,750.28 = 3,771.39/x
  3. Step 3: Cross multiply
    11,167.89x = 16,750.28 × 3,771.39
  4. Step 4: Simplify right side
    11,167.89x = 63,171,819.63
  5. Step 5: Solve for x
    x = 63,171,819.63/11,167.89
  6. Step 6: Final answer
    x = 5,656.56

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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.