Home / 9,348.27-12,874.36-9,144.15

Finding the Fourth Proportional to 9,348.27, 12,874.36 and 9,144.15

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Solution

The fourth proportional to 9,348.27, 12,874.36 and 9,144.15 is: 12,593.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,348.27 : 12,874.36 = 9,144.15 : x
  2. Step 2: Convert to fraction form
    9,348.27/12,874.36 = 9,144.15/x
  3. Step 3: Cross multiply
    9,348.27x = 12,874.36 × 9,144.15
  4. Step 4: Simplify right side
    9,348.27x = 117,725,078.99
  5. Step 5: Solve for x
    x = 117,725,078.99/9,348.27
  6. Step 6: Final answer
    x = 12,593.25

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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.