Home / 20,196.75-30,295.02-8,509.97

Finding the Fourth Proportional to 20,196.75, 30,295.02 and 8,509.97

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Solution

The fourth proportional to 20,196.75, 30,295.02 and 8,509.97 is: 12,764.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196.75 : 30,295.02 = 8,509.97 : x
  2. Step 2: Convert to fraction form
    20,196.75/30,295.02 = 8,509.97/x
  3. Step 3: Cross multiply
    20,196.75x = 30,295.02 × 8,509.97
  4. Step 4: Simplify right side
    20,196.75x = 257,809,819.00
  5. Step 5: Solve for x
    x = 257,809,819.00/20,196.75
  6. Step 6: Final answer
    x = 12,764.91

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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.