Home / 17,984.16-26,976.04-8,120.79

Finding the Fourth Proportional to 17,984.16, 26,976.04 and 8,120.79

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Solution

The fourth proportional to 17,984.16, 26,976.04 and 8,120.79 is: 12,181.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,984.16 : 26,976.04 = 8,120.79 : x
  2. Step 2: Convert to fraction form
    17,984.16/26,976.04 = 8,120.79/x
  3. Step 3: Cross multiply
    17,984.16x = 26,976.04 × 8,120.79
  4. Step 4: Simplify right side
    17,984.16x = 219,066,735.57
  5. Step 5: Solve for x
    x = 219,066,735.57/17,984.16
  6. Step 6: Final answer
    x = 12,181.09

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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.