Home / 22,639.44-33,960.72-9,478.56

Finding the Fourth Proportional to 22,639.44, 33,960.72 and 9,478.56

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Solution

The fourth proportional to 22,639.44, 33,960.72 and 9,478.56 is: 14,218.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,639.44 : 33,960.72 = 9,478.56 : x
  2. Step 2: Convert to fraction form
    22,639.44/33,960.72 = 9,478.56/x
  3. Step 3: Cross multiply
    22,639.44x = 33,960.72 × 9,478.56
  4. Step 4: Simplify right side
    22,639.44x = 321,898,722.16
  5. Step 5: Solve for x
    x = 321,898,722.16/22,639.44
  6. Step 6: Final answer
    x = 14,218.49

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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.