Home / 20,380.53-30,561.54-6,336.42

Finding the Fourth Proportional to 20,380.53, 30,561.54 and 6,336.42

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Solution

The fourth proportional to 20,380.53, 30,561.54 and 6,336.42 is: 9,501.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,380.53 : 30,561.54 = 6,336.42 : x
  2. Step 2: Convert to fraction form
    20,380.53/30,561.54 = 6,336.42/x
  3. Step 3: Cross multiply
    20,380.53x = 30,561.54 × 6,336.42
  4. Step 4: Simplify right side
    20,380.53x = 193,650,753.29
  5. Step 5: Solve for x
    x = 193,650,753.29/20,380.53
  6. Step 6: Final answer
    x = 9,501.75

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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.