Home / 10,403.80-15,604.48-4,163.56

Finding the Fourth Proportional to 10,403.80, 15,604.48 and 4,163.56

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Solution

The fourth proportional to 10,403.80, 15,604.48 and 4,163.56 is: 6,244.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403.80 : 15,604.48 = 4,163.56 : x
  2. Step 2: Convert to fraction form
    10,403.80/15,604.48 = 4,163.56/x
  3. Step 3: Cross multiply
    10,403.80x = 15,604.48 × 4,163.56
  4. Step 4: Simplify right side
    10,403.80x = 64,970,154.94
  5. Step 5: Solve for x
    x = 64,970,154.94/10,403.80
  6. Step 6: Final answer
    x = 6,244.85

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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.