Home / 22,021.40-33,033.62-8,873.80

Finding the Fourth Proportional to 22,021.40, 33,033.62 and 8,873.80

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Solution

The fourth proportional to 22,021.40, 33,033.62 and 8,873.80 is: 13,311.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,021.40 : 33,033.62 = 8,873.80 : x
  2. Step 2: Convert to fraction form
    22,021.40/33,033.62 = 8,873.80/x
  3. Step 3: Cross multiply
    22,021.40x = 33,033.62 × 8,873.80
  4. Step 4: Simplify right side
    22,021.40x = 293,133,737.16
  5. Step 5: Solve for x
    x = 293,133,737.16/22,021.40
  6. Step 6: Final answer
    x = 13,311.31

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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.