Home / 12,264.41-16,930.88-8,229.79

Finding the Fourth Proportional to 12,264.41, 16,930.88 and 8,229.79

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Solution

The fourth proportional to 12,264.41, 16,930.88 and 8,229.79 is: 11,361.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,264.41 : 16,930.88 = 8,229.79 : x
  2. Step 2: Convert to fraction form
    12,264.41/16,930.88 = 8,229.79/x
  3. Step 3: Cross multiply
    12,264.41x = 16,930.88 × 8,229.79
  4. Step 4: Simplify right side
    12,264.41x = 139,337,586.92
  5. Step 5: Solve for x
    x = 139,337,586.92/12,264.41
  6. Step 6: Final answer
    x = 11,361.13

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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.