Home / 20,451.02-30,676.91-6,410.73

Finding the Fourth Proportional to 20,451.02, 30,676.91 and 6,410.73

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Solution

The fourth proportional to 20,451.02, 30,676.91 and 6,410.73 is: 9,616.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,451.02 : 30,676.91 = 6,410.73 : x
  2. Step 2: Convert to fraction form
    20,451.02/30,676.91 = 6,410.73/x
  3. Step 3: Cross multiply
    20,451.02x = 30,676.91 × 6,410.73
  4. Step 4: Simplify right side
    20,451.02x = 196,661,387.24
  5. Step 5: Solve for x
    x = 196,661,387.24/20,451.02
  6. Step 6: Final answer
    x = 9,616.21

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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.