Home / 22,121.10-33,193.80-8,982.90

Finding the Fourth Proportional to 22,121.10, 33,193.80 and 8,982.90

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Solution

The fourth proportional to 22,121.10, 33,193.80 and 8,982.90 is: 13,479.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,121.10 : 33,193.80 = 8,982.90 : x
  2. Step 2: Convert to fraction form
    22,121.10/33,193.80 = 8,982.90/x
  3. Step 3: Cross multiply
    22,121.10x = 33,193.80 × 8,982.90
  4. Step 4: Simplify right side
    22,121.10x = 298,176,586.02
  5. Step 5: Solve for x
    x = 298,176,586.02/22,121.10
  6. Step 6: Final answer
    x = 13,479.28

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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.