Home / 15,998.04-23,992.20-8,205.84

Finding the Fourth Proportional to 15,998.04, 23,992.20 and 8,205.84

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Solution

The fourth proportional to 15,998.04, 23,992.20 and 8,205.84 is: 12,306.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998.04 : 23,992.20 = 8,205.84 : x
  2. Step 2: Convert to fraction form
    15,998.04/23,992.20 = 8,205.84/x
  3. Step 3: Cross multiply
    15,998.04x = 23,992.20 × 8,205.84
  4. Step 4: Simplify right side
    15,998.04x = 196,876,154.45
  5. Step 5: Solve for x
    x = 196,876,154.45/15,998.04
  6. Step 6: Final answer
    x = 12,306.27

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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.