Home / 8,168.14-12,239.92-6,078.34

Finding the Fourth Proportional to 8,168.14, 12,239.92 and 6,078.34

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Solution

The fourth proportional to 8,168.14, 12,239.92 and 6,078.34 is: 9,108.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.14 : 12,239.92 = 6,078.34 : x
  2. Step 2: Convert to fraction form
    8,168.14/12,239.92 = 6,078.34/x
  3. Step 3: Cross multiply
    8,168.14x = 12,239.92 × 6,078.34
  4. Step 4: Simplify right side
    8,168.14x = 74,398,349.54
  5. Step 5: Solve for x
    x = 74,398,349.54/8,168.14
  6. Step 6: Final answer
    x = 9,108.36

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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.