Home / 22,194.18-30,628.20-12,122.91

Finding the Fourth Proportional to 22,194.18, 30,628.20 and 12,122.91

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Solution

The fourth proportional to 22,194.18, 30,628.20 and 12,122.91 is: 16,729.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,194.18 : 30,628.20 = 12,122.91 : x
  2. Step 2: Convert to fraction form
    22,194.18/30,628.20 = 12,122.91/x
  3. Step 3: Cross multiply
    22,194.18x = 30,628.20 × 12,122.91
  4. Step 4: Simplify right side
    22,194.18x = 371,302,912.06
  5. Step 5: Solve for x
    x = 371,302,912.06/22,194.18
  6. Step 6: Final answer
    x = 16,729.74

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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.