Home / 20,566.53-30,847.03-8,724.99

Finding the Fourth Proportional to 20,566.53, 30,847.03 and 8,724.99

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Solution

The fourth proportional to 20,566.53, 30,847.03 and 8,724.99 is: 13,086.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566.53 : 30,847.03 = 8,724.99 : x
  2. Step 2: Convert to fraction form
    20,566.53/30,847.03 = 8,724.99/x
  3. Step 3: Cross multiply
    20,566.53x = 30,847.03 × 8,724.99
  4. Step 4: Simplify right side
    20,566.53x = 269,140,035.39
  5. Step 5: Solve for x
    x = 269,140,035.39/20,566.53
  6. Step 6: Final answer
    x = 13,086.31

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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.