Home / 9,108.45-12,626.98-8,609.54

Finding the Fourth Proportional to 9,108.45, 12,626.98 and 8,609.54

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Solution

The fourth proportional to 9,108.45, 12,626.98 and 8,609.54 is: 11,935.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.45 : 12,626.98 = 8,609.54 : x
  2. Step 2: Convert to fraction form
    9,108.45/12,626.98 = 8,609.54/x
  3. Step 3: Cross multiply
    9,108.45x = 12,626.98 × 8,609.54
  4. Step 4: Simplify right side
    9,108.45x = 108,712,383.21
  5. Step 5: Solve for x
    x = 108,712,383.21/9,108.45
  6. Step 6: Final answer
    x = 11,935.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.