Home / 20,376.82-30,544.26-8,537.56

Finding the Fourth Proportional to 20,376.82, 30,544.26 and 8,537.56

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Solution

The fourth proportional to 20,376.82, 30,544.26 and 8,537.56 is: 12,797.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,376.82 : 30,544.26 = 8,537.56 : x
  2. Step 2: Convert to fraction form
    20,376.82/30,544.26 = 8,537.56/x
  3. Step 3: Cross multiply
    20,376.82x = 30,544.26 × 8,537.56
  4. Step 4: Simplify right side
    20,376.82x = 260,773,452.41
  5. Step 5: Solve for x
    x = 260,773,452.41/20,376.82
  6. Step 6: Final answer
    x = 12,797.55

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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.