Home / 20,011.37-30,027.58-8,173.89

Finding the Fourth Proportional to 20,011.37, 30,027.58 and 8,173.89

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Solution

The fourth proportional to 20,011.37, 30,027.58 and 8,173.89 is: 12,265.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,011.37 : 30,027.58 = 8,173.89 : x
  2. Step 2: Convert to fraction form
    20,011.37/30,027.58 = 8,173.89/x
  3. Step 3: Cross multiply
    20,011.37x = 30,027.58 × 8,173.89
  4. Step 4: Simplify right side
    20,011.37x = 245,442,115.45
  5. Step 5: Solve for x
    x = 245,442,115.45/20,011.37
  6. Step 6: Final answer
    x = 12,265.14

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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.