Home / 22,078.27-30,468.21-12,006.80

Finding the Fourth Proportional to 22,078.27, 30,468.21 and 12,006.80

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Solution

The fourth proportional to 22,078.27, 30,468.21 and 12,006.80 is: 16,569.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,078.27 : 30,468.21 = 12,006.80 : x
  2. Step 2: Convert to fraction form
    22,078.27/30,468.21 = 12,006.80/x
  3. Step 3: Cross multiply
    22,078.27x = 30,468.21 × 12,006.80
  4. Step 4: Simplify right side
    22,078.27x = 365,825,825.02
  5. Step 5: Solve for x
    x = 365,825,825.02/22,078.27
  6. Step 6: Final answer
    x = 16,569.50

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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.