Home / 22,087.80-33,130.89-5,447.70

Finding the Fourth Proportional to 22,087.80, 33,130.89 and 5,447.70

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Solution

The fourth proportional to 22,087.80, 33,130.89 and 5,447.70 is: 8,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,087.80 : 33,130.89 = 5,447.70 : x
  2. Step 2: Convert to fraction form
    22,087.80/33,130.89 = 5,447.70/x
  3. Step 3: Cross multiply
    22,087.80x = 33,130.89 × 5,447.70
  4. Step 4: Simplify right side
    22,087.80x = 180,487,149.45
  5. Step 5: Solve for x
    x = 180,487,149.45/22,087.80
  6. Step 6: Final answer
    x = 8,171.35

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Similar ratio
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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.