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Finding the Fourth Proportional to 22,011.80, 33,033.90 and 8,873.60

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Solution

The fourth proportional to 22,011.80, 33,033.90 and 8,873.60 is: 13,316.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,011.80 : 33,033.90 = 8,873.60 : x
  2. Step 2: Convert to fraction form
    22,011.80/33,033.90 = 8,873.60/x
  3. Step 3: Cross multiply
    22,011.80x = 33,033.90 × 8,873.60
  4. Step 4: Simplify right side
    22,011.80x = 293,129,615.04
  5. Step 5: Solve for x
    x = 293,129,615.04/22,011.80
  6. Step 6: Final answer
    x = 13,316.93

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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.