Home / 20,636.66-30,924.68-12,194.51

Finding the Fourth Proportional to 20,636.66, 30,924.68 and 12,194.51

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Solution

The fourth proportional to 20,636.66, 30,924.68 and 12,194.51 is: 18,273.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,636.66 : 30,924.68 = 12,194.51 : x
  2. Step 2: Convert to fraction form
    20,636.66/30,924.68 = 12,194.51/x
  3. Step 3: Cross multiply
    20,636.66x = 30,924.68 × 12,194.51
  4. Step 4: Simplify right side
    20,636.66x = 377,111,103.91
  5. Step 5: Solve for x
    x = 377,111,103.91/20,636.66
  6. Step 6: Final answer
    x = 18,273.84

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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.