Home / 20,329.23-30,476.30-9,784.73

Finding the Fourth Proportional to 20,329.23, 30,476.30 and 9,784.73

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Solution

The fourth proportional to 20,329.23, 30,476.30 and 9,784.73 is: 14,668.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,329.23 : 30,476.30 = 9,784.73 : x
  2. Step 2: Convert to fraction form
    20,329.23/30,476.30 = 9,784.73/x
  3. Step 3: Cross multiply
    20,329.23x = 30,476.30 × 9,784.73
  4. Step 4: Simplify right side
    20,329.23x = 298,202,469.66
  5. Step 5: Solve for x
    x = 298,202,469.66/20,329.23
  6. Step 6: Final answer
    x = 14,668.66

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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.