Home / 19,815.70-29,704.92-6,658.84

Finding the Fourth Proportional to 19,815.70, 29,704.92 and 6,658.84

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Solution

The fourth proportional to 19,815.70, 29,704.92 and 6,658.84 is: 9,982.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,815.70 : 29,704.92 = 6,658.84 : x
  2. Step 2: Convert to fraction form
    19,815.70/29,704.92 = 6,658.84/x
  3. Step 3: Cross multiply
    19,815.70x = 29,704.92 × 6,658.84
  4. Step 4: Simplify right side
    19,815.70x = 197,800,309.49
  5. Step 5: Solve for x
    x = 197,800,309.49/19,815.70
  6. Step 6: Final answer
    x = 9,982.00

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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.