Home / 20,184.82-30,276.88-9,083.66

Finding the Fourth Proportional to 20,184.82, 30,276.88 and 9,083.66

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Solution

The fourth proportional to 20,184.82, 30,276.88 and 9,083.66 is: 13,625.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184.82 : 30,276.88 = 9,083.66 : x
  2. Step 2: Convert to fraction form
    20,184.82/30,276.88 = 9,083.66/x
  3. Step 3: Cross multiply
    20,184.82x = 30,276.88 × 9,083.66
  4. Step 4: Simplify right side
    20,184.82x = 275,024,883.78
  5. Step 5: Solve for x
    x = 275,024,883.78/20,184.82
  6. Step 6: Final answer
    x = 13,625.33

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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.