Home / 20,355.35-30,531.94-6,503.27

Finding the Fourth Proportional to 20,355.35, 30,531.94 and 6,503.27

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Solution

The fourth proportional to 20,355.35, 30,531.94 and 6,503.27 is: 9,754.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,355.35 : 30,531.94 = 6,503.27 : x
  2. Step 2: Convert to fraction form
    20,355.35/30,531.94 = 6,503.27/x
  3. Step 3: Cross multiply
    20,355.35x = 30,531.94 × 6,503.27
  4. Step 4: Simplify right side
    20,355.35x = 198,557,449.44
  5. Step 5: Solve for x
    x = 198,557,449.44/20,355.35
  6. Step 6: Final answer
    x = 9,754.56

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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.