Home / 21,682.33-29,910.65-14,512.54

Finding the Fourth Proportional to 21,682.33, 29,910.65 and 14,512.54

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Solution

The fourth proportional to 21,682.33, 29,910.65 and 14,512.54 is: 20,019.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,682.33 : 29,910.65 = 14,512.54 : x
  2. Step 2: Convert to fraction form
    21,682.33/29,910.65 = 14,512.54/x
  3. Step 3: Cross multiply
    21,682.33x = 29,910.65 × 14,512.54
  4. Step 4: Simplify right side
    21,682.33x = 434,079,504.55
  5. Step 5: Solve for x
    x = 434,079,504.55/21,682.33
  6. Step 6: Final answer
    x = 20,019.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.