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Finding the Fourth Proportional to 20,602.32, 30,893.12 and 10,073.12

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Solution

The fourth proportional to 20,602.32, 30,893.12 and 10,073.12 is: 15,104.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,602.32 : 30,893.12 = 10,073.12 : x
  2. Step 2: Convert to fraction form
    20,602.32/30,893.12 = 10,073.12/x
  3. Step 3: Cross multiply
    20,602.32x = 30,893.12 × 10,073.12
  4. Step 4: Simplify right side
    20,602.32x = 311,190,104.93
  5. Step 5: Solve for x
    x = 311,190,104.93/20,602.32
  6. Step 6: Final answer
    x = 15,104.61

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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.