Home / 20,539.44-30,818.49-8,696.43

Finding the Fourth Proportional to 20,539.44, 30,818.49 and 8,696.43

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Solution

The fourth proportional to 20,539.44, 30,818.49 and 8,696.43 is: 13,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,539.44 : 30,818.49 = 8,696.43 : x
  2. Step 2: Convert to fraction form
    20,539.44/30,818.49 = 8,696.43/x
  3. Step 3: Cross multiply
    20,539.44x = 30,818.49 × 8,696.43
  4. Step 4: Simplify right side
    20,539.44x = 268,010,840.99
  5. Step 5: Solve for x
    x = 268,010,840.99/20,539.44
  6. Step 6: Final answer
    x = 13,048.60

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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.