Home / 20,194.55-30,291.84-9,662.10

Finding the Fourth Proportional to 20,194.55, 30,291.84 and 9,662.10

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Solution

The fourth proportional to 20,194.55, 30,291.84 and 9,662.10 is: 14,493.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.55 : 30,291.84 = 9,662.10 : x
  2. Step 2: Convert to fraction form
    20,194.55/30,291.84 = 9,662.10/x
  3. Step 3: Cross multiply
    20,194.55x = 30,291.84 × 9,662.10
  4. Step 4: Simplify right side
    20,194.55x = 292,682,673.67
  5. Step 5: Solve for x
    x = 292,682,673.67/20,194.55
  6. Step 6: Final answer
    x = 14,493.15

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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.