Home / 10,433.20-15,652.14-3,859.60

Finding the Fourth Proportional to 10,433.20, 15,652.14 and 3,859.60

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Solution

The fourth proportional to 10,433.20, 15,652.14 and 3,859.60 is: 5,790.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,433.20 : 15,652.14 = 3,859.60 : x
  2. Step 2: Convert to fraction form
    10,433.20/15,652.14 = 3,859.60/x
  3. Step 3: Cross multiply
    10,433.20x = 15,652.14 × 3,859.60
  4. Step 4: Simplify right side
    10,433.20x = 60,410,999.54
  5. Step 5: Solve for x
    x = 60,410,999.54/10,433.20
  6. Step 6: Final answer
    x = 5,790.27

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1.5x scale

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.