Home / 20,540.56-30,804.67-10,674.46

Finding the Fourth Proportional to 20,540.56, 30,804.67 and 10,674.46

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Solution

The fourth proportional to 20,540.56, 30,804.67 and 10,674.46 is: 16,008.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,540.56 : 30,804.67 = 10,674.46 : x
  2. Step 2: Convert to fraction form
    20,540.56/30,804.67 = 10,674.46/x
  3. Step 3: Cross multiply
    20,540.56x = 30,804.67 × 10,674.46
  4. Step 4: Simplify right side
    20,540.56x = 328,823,217.73
  5. Step 5: Solve for x
    x = 328,823,217.73/20,540.56
  6. Step 6: Final answer
    x = 16,008.48

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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.