Home / 11,829.53-17,740.64-3,930.36

Finding the Fourth Proportional to 11,829.53, 17,740.64 and 3,930.36

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Solution

The fourth proportional to 11,829.53, 17,740.64 and 3,930.36 is: 5,894.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,829.53 : 17,740.64 = 3,930.36 : x
  2. Step 2: Convert to fraction form
    11,829.53/17,740.64 = 3,930.36/x
  3. Step 3: Cross multiply
    11,829.53x = 17,740.64 × 3,930.36
  4. Step 4: Simplify right side
    11,829.53x = 69,727,082.18
  5. Step 5: Solve for x
    x = 69,727,082.18/11,829.53
  6. Step 6: Final answer
    x = 5,894.33

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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.