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Finding the Fourth Proportional to 9,612, 13,255.43 and 6,250.97

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Solution

The fourth proportional to 9,612, 13,255.43 and 6,250.97 is: 8,620.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,612 : 13,255.43 = 6,250.97 : x
  2. Step 2: Convert to fraction form
    9,612/13,255.43 = 6,250.97/x
  3. Step 3: Cross multiply
    9,612x = 13,255.43 × 6,250.97
  4. Step 4: Simplify right side
    9,612x = 82,859,197.74
  5. Step 5: Solve for x
    x = 82,859,197.74/9,612
  6. Step 6: Final answer
    x = 8,620.39

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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.