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Finding the Fourth Proportional to 20,000.56, 30,000.84 and 6,149.56

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Solution

The fourth proportional to 20,000.56, 30,000.84 and 6,149.56 is: 9,224.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,000.56 : 30,000.84 = 6,149.56 : x
  2. Step 2: Convert to fraction form
    20,000.56/30,000.84 = 6,149.56/x
  3. Step 3: Cross multiply
    20,000.56x = 30,000.84 × 6,149.56
  4. Step 4: Simplify right side
    20,000.56x = 184,491,965.63
  5. Step 5: Solve for x
    x = 184,491,965.63/20,000.56
  6. Step 6: Final answer
    x = 9,224.34

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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.