Home / 13,705.05-20,540.94-5,804.52

Finding the Fourth Proportional to 13,705.05, 20,540.94 and 5,804.52

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Solution

The fourth proportional to 13,705.05, 20,540.94 and 5,804.52 is: 8,699.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,705.05 : 20,540.94 = 5,804.52 : x
  2. Step 2: Convert to fraction form
    13,705.05/20,540.94 = 5,804.52/x
  3. Step 3: Cross multiply
    13,705.05x = 20,540.94 × 5,804.52
  4. Step 4: Simplify right side
    13,705.05x = 119,230,297.05
  5. Step 5: Solve for x
    x = 119,230,297.05/13,705.05
  6. Step 6: Final answer
    x = 8,699.73

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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.