Home / 22,069.40-30,454.49-11,997.75

Finding the Fourth Proportional to 22,069.40, 30,454.49 and 11,997.75

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Solution

The fourth proportional to 22,069.40, 30,454.49 and 11,997.75 is: 16,556.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,069.40 : 30,454.49 = 11,997.75 : x
  2. Step 2: Convert to fraction form
    22,069.40/30,454.49 = 11,997.75/x
  3. Step 3: Cross multiply
    22,069.40x = 30,454.49 × 11,997.75
  4. Step 4: Simplify right side
    22,069.40x = 365,385,297.41
  5. Step 5: Solve for x
    x = 365,385,297.41/22,069.40
  6. Step 6: Final answer
    x = 16,556.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.