Home / 20,083.44-30,125.16-8,398.32

Finding the Fourth Proportional to 20,083.44, 30,125.16 and 8,398.32

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Solution

The fourth proportional to 20,083.44, 30,125.16 and 8,398.32 is: 12,597.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,083.44 : 30,125.16 = 8,398.32 : x
  2. Step 2: Convert to fraction form
    20,083.44/30,125.16 = 8,398.32/x
  3. Step 3: Cross multiply
    20,083.44x = 30,125.16 × 8,398.32
  4. Step 4: Simplify right side
    20,083.44x = 253,000,733.73
  5. Step 5: Solve for x
    x = 253,000,733.73/20,083.44
  6. Step 6: Final answer
    x = 12,597.48

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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.