Home / 20,091.22-30,137.10-13,849.56

Finding the Fourth Proportional to 20,091.22, 30,137.10 and 13,849.56

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Solution

The fourth proportional to 20,091.22, 30,137.10 and 13,849.56 is: 20,774.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,091.22 : 30,137.10 = 13,849.56 : x
  2. Step 2: Convert to fraction form
    20,091.22/30,137.10 = 13,849.56/x
  3. Step 3: Cross multiply
    20,091.22x = 30,137.10 × 13,849.56
  4. Step 4: Simplify right side
    20,091.22x = 417,385,574.68
  5. Step 5: Solve for x
    x = 417,385,574.68/20,091.22
  6. Step 6: Final answer
    x = 20,774.53

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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.