Home / 18,077.99-24,949.97-10,121.86

Finding the Fourth Proportional to 18,077.99, 24,949.97 and 10,121.86

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Solution

The fourth proportional to 18,077.99, 24,949.97 and 10,121.86 is: 13,969.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,077.99 : 24,949.97 = 10,121.86 : x
  2. Step 2: Convert to fraction form
    18,077.99/24,949.97 = 10,121.86/x
  3. Step 3: Cross multiply
    18,077.99x = 24,949.97 × 10,121.86
  4. Step 4: Simplify right side
    18,077.99x = 252,540,103.34
  5. Step 5: Solve for x
    x = 252,540,103.34/18,077.99
  6. Step 6: Final answer
    x = 13,969.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.