Home / 20,562.30-30,843.45-11,704.95

Finding the Fourth Proportional to 20,562.30, 30,843.45 and 11,704.95

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Solution

The fourth proportional to 20,562.30, 30,843.45 and 11,704.95 is: 17,557.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,562.30 : 30,843.45 = 11,704.95 : x
  2. Step 2: Convert to fraction form
    20,562.30/30,843.45 = 11,704.95/x
  3. Step 3: Cross multiply
    20,562.30x = 30,843.45 × 11,704.95
  4. Step 4: Simplify right side
    20,562.30x = 361,021,040.08
  5. Step 5: Solve for x
    x = 361,021,040.08/20,562.30
  6. Step 6: Final answer
    x = 17,557.43

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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.