Home / 11,777.87-17,668.33-3,881.19

Finding the Fourth Proportional to 11,777.87, 17,668.33 and 3,881.19

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Solution

The fourth proportional to 11,777.87, 17,668.33 and 3,881.19 is: 5,822.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,777.87 : 17,668.33 = 3,881.19 : x
  2. Step 2: Convert to fraction form
    11,777.87/17,668.33 = 3,881.19/x
  3. Step 3: Cross multiply
    11,777.87x = 17,668.33 × 3,881.19
  4. Step 4: Simplify right side
    11,777.87x = 68,574,145.71
  5. Step 5: Solve for x
    x = 68,574,145.71/11,777.87
  6. Step 6: Final answer
    x = 5,822.29

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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.