Home / 12,099.26-16,702.63-8,072.80

Finding the Fourth Proportional to 12,099.26, 16,702.63 and 8,072.80

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Solution

The fourth proportional to 12,099.26, 16,702.63 and 8,072.80 is: 11,144.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099.26 : 16,702.63 = 8,072.80 : x
  2. Step 2: Convert to fraction form
    12,099.26/16,702.63 = 8,072.80/x
  3. Step 3: Cross multiply
    12,099.26x = 16,702.63 × 8,072.80
  4. Step 4: Simplify right side
    12,099.26x = 134,836,929.53
  5. Step 5: Solve for x
    x = 134,836,929.53/12,099.26
  6. Step 6: Final answer
    x = 11,144.23

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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.