Home / 11,167.50-16,749.90-3,670.68

Finding the Fourth Proportional to 11,167.50, 16,749.90 and 3,670.68

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Solution

The fourth proportional to 11,167.50, 16,749.90 and 3,670.68 is: 5,505.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.50 : 16,749.90 = 3,670.68 : x
  2. Step 2: Convert to fraction form
    11,167.50/16,749.90 = 3,670.68/x
  3. Step 3: Cross multiply
    11,167.50x = 16,749.90 × 3,670.68
  4. Step 4: Simplify right side
    11,167.50x = 61,483,522.93
  5. Step 5: Solve for x
    x = 61,483,522.93/11,167.50
  6. Step 6: Final answer
    x = 5,505.58

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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.