Home / 22,222.68-33,334.08-6,640.32

Finding the Fourth Proportional to 22,222.68, 33,334.08 and 6,640.32

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Solution

The fourth proportional to 22,222.68, 33,334.08 and 6,640.32 is: 9,960.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,222.68 : 33,334.08 = 6,640.32 : x
  2. Step 2: Convert to fraction form
    22,222.68/33,334.08 = 6,640.32/x
  3. Step 3: Cross multiply
    22,222.68x = 33,334.08 × 6,640.32
  4. Step 4: Simplify right side
    22,222.68x = 221,348,958.11
  5. Step 5: Solve for x
    x = 221,348,958.11/22,222.68
  6. Step 6: Final answer
    x = 9,960.50

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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.