Home / 11,868.52-17,791.68-4,477.84

Finding the Fourth Proportional to 11,868.52, 17,791.68 and 4,477.84

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Solution

The fourth proportional to 11,868.52, 17,791.68 and 4,477.84 is: 6,712.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868.52 : 17,791.68 = 4,477.84 : x
  2. Step 2: Convert to fraction form
    11,868.52/17,791.68 = 4,477.84/x
  3. Step 3: Cross multiply
    11,868.52x = 17,791.68 × 4,477.84
  4. Step 4: Simplify right side
    11,868.52x = 79,668,296.37
  5. Step 5: Solve for x
    x = 79,668,296.37/11,868.52
  6. Step 6: Final answer
    x = 6,712.57

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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.