Home / 19,650.36-29,431.26-11,310.60

Finding the Fourth Proportional to 19,650.36, 29,431.26 and 11,310.60

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Solution

The fourth proportional to 19,650.36, 29,431.26 and 11,310.60 is: 16,940.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,650.36 : 29,431.26 = 11,310.60 : x
  2. Step 2: Convert to fraction form
    19,650.36/29,431.26 = 11,310.60/x
  3. Step 3: Cross multiply
    19,650.36x = 29,431.26 × 11,310.60
  4. Step 4: Simplify right side
    19,650.36x = 332,885,209.36
  5. Step 5: Solve for x
    x = 332,885,209.36/19,650.36
  6. Step 6: Final answer
    x = 16,940.41

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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.