Home / 20,560.53-30,841.38-6,520.62

Finding the Fourth Proportional to 20,560.53, 30,841.38 and 6,520.62

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Solution

The fourth proportional to 20,560.53, 30,841.38 and 6,520.62 is: 9,781.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,560.53 : 30,841.38 = 6,520.62 : x
  2. Step 2: Convert to fraction form
    20,560.53/30,841.38 = 6,520.62/x
  3. Step 3: Cross multiply
    20,560.53x = 30,841.38 × 6,520.62
  4. Step 4: Simplify right side
    20,560.53x = 201,104,919.26
  5. Step 5: Solve for x
    x = 201,104,919.26/20,560.53
  6. Step 6: Final answer
    x = 9,781.12

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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.