Home / 22,014.05-30,378.54-11,942.13

Finding the Fourth Proportional to 22,014.05, 30,378.54 and 11,942.13

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Solution

The fourth proportional to 22,014.05, 30,378.54 and 11,942.13 is: 16,479.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,014.05 : 30,378.54 = 11,942.13 : x
  2. Step 2: Convert to fraction form
    22,014.05/30,378.54 = 11,942.13/x
  3. Step 3: Cross multiply
    22,014.05x = 30,378.54 × 11,942.13
  4. Step 4: Simplify right side
    22,014.05x = 362,784,632.59
  5. Step 5: Solve for x
    x = 362,784,632.59/22,014.05
  6. Step 6: Final answer
    x = 16,479.69

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Similar ratio
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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.