Home / 19,806.12-29,716.20-6,658.44

Finding the Fourth Proportional to 19,806.12, 29,716.20 and 6,658.44

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Solution

The fourth proportional to 19,806.12, 29,716.20 and 6,658.44 is: 9,990.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,806.12 : 29,716.20 = 6,658.44 : x
  2. Step 2: Convert to fraction form
    19,806.12/29,716.20 = 6,658.44/x
  3. Step 3: Cross multiply
    19,806.12x = 29,716.20 × 6,658.44
  4. Step 4: Simplify right side
    19,806.12x = 197,863,534.73
  5. Step 5: Solve for x
    x = 197,863,534.73/19,806.12
  6. Step 6: Final answer
    x = 9,990.02

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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.