Home / 20,541.82-30,816.54-6,505.39

Finding the Fourth Proportional to 20,541.82, 30,816.54 and 6,505.39

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Solution

The fourth proportional to 20,541.82, 30,816.54 and 6,505.39 is: 9,759.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541.82 : 30,816.54 = 6,505.39 : x
  2. Step 2: Convert to fraction form
    20,541.82/30,816.54 = 6,505.39/x
  3. Step 3: Cross multiply
    20,541.82x = 30,816.54 × 6,505.39
  4. Step 4: Simplify right side
    20,541.82x = 200,473,611.15
  5. Step 5: Solve for x
    x = 200,473,611.15/20,541.82
  6. Step 6: Final answer
    x = 9,759.29

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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.