Home / 22,227.46-30,672.76-12,153.95

Finding the Fourth Proportional to 22,227.46, 30,672.76 and 12,153.95

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Solution

The fourth proportional to 22,227.46, 30,672.76 and 12,153.95 is: 16,771.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,227.46 : 30,672.76 = 12,153.95 : x
  2. Step 2: Convert to fraction form
    22,227.46/30,672.76 = 12,153.95/x
  3. Step 3: Cross multiply
    22,227.46x = 30,672.76 × 12,153.95
  4. Step 4: Simplify right side
    22,227.46x = 372,794,977.27
  5. Step 5: Solve for x
    x = 372,794,977.27/22,227.46
  6. Step 6: Final answer
    x = 16,771.82

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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.