Home / 9,660.39-14,452.10-8,091.21

Finding the Fourth Proportional to 9,660.39, 14,452.10 and 8,091.21

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Solution

The fourth proportional to 9,660.39, 14,452.10 and 8,091.21 is: 12,104.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,660.39 : 14,452.10 = 8,091.21 : x
  2. Step 2: Convert to fraction form
    9,660.39/14,452.10 = 8,091.21/x
  3. Step 3: Cross multiply
    9,660.39x = 14,452.10 × 8,091.21
  4. Step 4: Simplify right side
    9,660.39x = 116,934,976.04
  5. Step 5: Solve for x
    x = 116,934,976.04/9,660.39
  6. Step 6: Final answer
    x = 12,104.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.