Home / 10,380.44-15,556.81-5,693.37

Finding the Fourth Proportional to 10,380.44, 15,556.81 and 5,693.37

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Solution

The fourth proportional to 10,380.44, 15,556.81 and 5,693.37 is: 8,532.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380.44 : 15,556.81 = 5,693.37 : x
  2. Step 2: Convert to fraction form
    10,380.44/15,556.81 = 5,693.37/x
  3. Step 3: Cross multiply
    10,380.44x = 15,556.81 × 5,693.37
  4. Step 4: Simplify right side
    10,380.44x = 88,570,675.35
  5. Step 5: Solve for x
    x = 88,570,675.35/10,380.44
  6. Step 6: Final answer
    x = 8,532.46

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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.