Home / 16,205.85-24,308.10-5,120.51

Finding the Fourth Proportional to 16,205.85, 24,308.10 and 5,120.51

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Solution

The fourth proportional to 16,205.85, 24,308.10 and 5,120.51 is: 7,680.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,205.85 : 24,308.10 = 5,120.51 : x
  2. Step 2: Convert to fraction form
    16,205.85/24,308.10 = 5,120.51/x
  3. Step 3: Cross multiply
    16,205.85x = 24,308.10 × 5,120.51
  4. Step 4: Simplify right side
    16,205.85x = 124,469,747.59
  5. Step 5: Solve for x
    x = 124,469,747.59/16,205.85
  6. Step 6: Final answer
    x = 7,680.54

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1.5x scale

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.