Home / 15,583.80-23,361.80-6,811.77

Finding the Fourth Proportional to 15,583.80, 23,361.80 and 6,811.77

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Solution

The fourth proportional to 15,583.80, 23,361.80 and 6,811.77 is: 10,211.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,583.80 : 23,361.80 = 6,811.77 : x
  2. Step 2: Convert to fraction form
    15,583.80/23,361.80 = 6,811.77/x
  3. Step 3: Cross multiply
    15,583.80x = 23,361.80 × 6,811.77
  4. Step 4: Simplify right side
    15,583.80x = 159,135,174.33
  5. Step 5: Solve for x
    x = 159,135,174.33/15,583.80
  6. Step 6: Final answer
    x = 10,211.58

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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.