Home / 22,006.68-30,382.76-16,960.78

Finding the Fourth Proportional to 22,006.68, 30,382.76 and 16,960.78

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Solution

The fourth proportional to 22,006.68, 30,382.76 and 16,960.78 is: 23,416.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,006.68 : 30,382.76 = 16,960.78 : x
  2. Step 2: Convert to fraction form
    22,006.68/30,382.76 = 16,960.78/x
  3. Step 3: Cross multiply
    22,006.68x = 30,382.76 × 16,960.78
  4. Step 4: Simplify right side
    22,006.68x = 515,315,308.15
  5. Step 5: Solve for x
    x = 515,315,308.15/22,006.68
  6. Step 6: Final answer
    x = 23,416.31

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Half 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.