Home / 22,220.37-33,338.30-9,738.74

Finding the Fourth Proportional to 22,220.37, 33,338.30 and 9,738.74

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Solution

The fourth proportional to 22,220.37, 33,338.30 and 9,738.74 is: 14,611.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,220.37 : 33,338.30 = 9,738.74 : x
  2. Step 2: Convert to fraction form
    22,220.37/33,338.30 = 9,738.74/x
  3. Step 3: Cross multiply
    22,220.37x = 33,338.30 × 9,738.74
  4. Step 4: Simplify right side
    22,220.37x = 324,673,070.39
  5. Step 5: Solve for x
    x = 324,673,070.39/22,220.37
  6. Step 6: Final answer
    x = 14,611.51

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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.