Home / 20,138.01-30,211.20-6,098.82

Finding the Fourth Proportional to 20,138.01, 30,211.20 and 6,098.82

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Solution

The fourth proportional to 20,138.01, 30,211.20 and 6,098.82 is: 9,149.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,138.01 : 30,211.20 = 6,098.82 : x
  2. Step 2: Convert to fraction form
    20,138.01/30,211.20 = 6,098.82/x
  3. Step 3: Cross multiply
    20,138.01x = 30,211.20 × 6,098.82
  4. Step 4: Simplify right side
    20,138.01x = 184,252,670.78
  5. Step 5: Solve for x
    x = 184,252,670.78/20,138.01
  6. Step 6: Final answer
    x = 9,149.50

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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.