Home / 10,255.86-15,385.85-3,682.56

Finding the Fourth Proportional to 10,255.86, 15,385.85 and 3,682.56

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Solution

The fourth proportional to 10,255.86, 15,385.85 and 3,682.56 is: 5,524.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255.86 : 15,385.85 = 3,682.56 : x
  2. Step 2: Convert to fraction form
    10,255.86/15,385.85 = 3,682.56/x
  3. Step 3: Cross multiply
    10,255.86x = 15,385.85 × 3,682.56
  4. Step 4: Simplify right side
    10,255.86x = 56,659,297.36
  5. Step 5: Solve for x
    x = 56,659,297.36/10,255.86
  6. Step 6: Final answer
    x = 5,524.58

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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.