Home / 20,046.12-30,072.87-8,360.34

Finding the Fourth Proportional to 20,046.12, 30,072.87 and 8,360.34

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Solution

The fourth proportional to 20,046.12, 30,072.87 and 8,360.34 is: 12,542.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,046.12 : 30,072.87 = 8,360.34 : x
  2. Step 2: Convert to fraction form
    20,046.12/30,072.87 = 8,360.34/x
  3. Step 3: Cross multiply
    20,046.12x = 30,072.87 × 8,360.34
  4. Step 4: Simplify right side
    20,046.12x = 251,419,417.98
  5. Step 5: Solve for x
    x = 251,419,417.98/20,046.12
  6. Step 6: Final answer
    x = 12,542.05

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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.