Home / 11,668.79-17,505.66-3,771.75

Finding the Fourth Proportional to 11,668.79, 17,505.66 and 3,771.75

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Solution

The fourth proportional to 11,668.79, 17,505.66 and 3,771.75 is: 5,658.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,668.79 : 17,505.66 = 3,771.75 : x
  2. Step 2: Convert to fraction form
    11,668.79/17,505.66 = 3,771.75/x
  3. Step 3: Cross multiply
    11,668.79x = 17,505.66 × 3,771.75
  4. Step 4: Simplify right side
    11,668.79x = 66,026,973.11
  5. Step 5: Solve for x
    x = 66,026,973.11/11,668.79
  6. Step 6: Final answer
    x = 5,658.43

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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.