Home / 22,129.74-33,170.04-8,078.27

Finding the Fourth Proportional to 22,129.74, 33,170.04 and 8,078.27

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Solution

The fourth proportional to 22,129.74, 33,170.04 and 8,078.27 is: 12,108.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,129.74 : 33,170.04 = 8,078.27 : x
  2. Step 2: Convert to fraction form
    22,129.74/33,170.04 = 8,078.27/x
  3. Step 3: Cross multiply
    22,129.74x = 33,170.04 × 8,078.27
  4. Step 4: Simplify right side
    22,129.74x = 267,956,373.18
  5. Step 5: Solve for x
    x = 267,956,373.18/22,129.74
  6. Step 6: Final answer
    x = 12,108.43

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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.