Home / 22,189.77-33,286.32-6,991.02

Finding the Fourth Proportional to 22,189.77, 33,286.32 and 6,991.02

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Solution

The fourth proportional to 22,189.77, 33,286.32 and 6,991.02 is: 10,487.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,189.77 : 33,286.32 = 6,991.02 : x
  2. Step 2: Convert to fraction form
    22,189.77/33,286.32 = 6,991.02/x
  3. Step 3: Cross multiply
    22,189.77x = 33,286.32 × 6,991.02
  4. Step 4: Simplify right side
    22,189.77x = 232,705,328.85
  5. Step 5: Solve for x
    x = 232,705,328.85/22,189.77
  6. Step 6: Final answer
    x = 10,487.05

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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.