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Finding the Fourth Proportional to 9,366.36, 12,915.90 and 8,044.44

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Solution

The fourth proportional to 9,366.36, 12,915.90 and 8,044.44 is: 11,093.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,366.36 : 12,915.90 = 8,044.44 : x
  2. Step 2: Convert to fraction form
    9,366.36/12,915.90 = 8,044.44/x
  3. Step 3: Cross multiply
    9,366.36x = 12,915.90 × 8,044.44
  4. Step 4: Simplify right side
    9,366.36x = 103,901,182.60
  5. Step 5: Solve for x
    x = 103,901,182.60/9,366.36
  6. Step 6: Final answer
    x = 11,093.02

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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.