Home / 20,582.26-30,861.72-6,539.56

Finding the Fourth Proportional to 20,582.26, 30,861.72 and 6,539.56

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Solution

The fourth proportional to 20,582.26, 30,861.72 and 6,539.56 is: 9,805.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,582.26 : 30,861.72 = 6,539.56 : x
  2. Step 2: Convert to fraction form
    20,582.26/30,861.72 = 6,539.56/x
  3. Step 3: Cross multiply
    20,582.26x = 30,861.72 × 6,539.56
  4. Step 4: Simplify right side
    20,582.26x = 201,822,069.64
  5. Step 5: Solve for x
    x = 201,822,069.64/20,582.26
  6. Step 6: Final answer
    x = 9,805.63

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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.