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Finding the Fourth Proportional to 20,133.60, 30,204.60 and 6,094.64

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Solution

The fourth proportional to 20,133.60, 30,204.60 and 6,094.64 is: 9,143.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,133.60 : 30,204.60 = 6,094.64 : x
  2. Step 2: Convert to fraction form
    20,133.60/30,204.60 = 6,094.64/x
  3. Step 3: Cross multiply
    20,133.60x = 30,204.60 × 6,094.64
  4. Step 4: Simplify right side
    20,133.60x = 184,086,163.34
  5. Step 5: Solve for x
    x = 184,086,163.34/20,133.60
  6. Step 6: Final answer
    x = 9,143.23

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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.