Home / 8,086.42-12,107.14-4,129.13

Finding the Fourth Proportional to 8,086.42, 12,107.14 and 4,129.13

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Solution

The fourth proportional to 8,086.42, 12,107.14 and 4,129.13 is: 6,182.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,086.42 : 12,107.14 = 4,129.13 : x
  2. Step 2: Convert to fraction form
    8,086.42/12,107.14 = 4,129.13/x
  3. Step 3: Cross multiply
    8,086.42x = 12,107.14 × 4,129.13
  4. Step 4: Simplify right side
    8,086.42x = 49,991,934.34
  5. Step 5: Solve for x
    x = 49,991,934.34/8,086.42
  6. Step 6: Final answer
    x = 6,182.21

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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.