Home / 20,198.56-30,256.80-14,949.22

Finding the Fourth Proportional to 20,198.56, 30,256.80 and 14,949.22

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Solution

The fourth proportional to 20,198.56, 30,256.80 and 14,949.22 is: 22,393.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198.56 : 30,256.80 = 14,949.22 : x
  2. Step 2: Convert to fraction form
    20,198.56/30,256.80 = 14,949.22/x
  3. Step 3: Cross multiply
    20,198.56x = 30,256.80 × 14,949.22
  4. Step 4: Simplify right side
    20,198.56x = 452,315,559.70
  5. Step 5: Solve for x
    x = 452,315,559.70/20,198.56
  6. Step 6: Final answer
    x = 22,393.46

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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.