Home / 13,441.32-18,544.74-8,134.44

Finding the Fourth Proportional to 13,441.32, 18,544.74 and 8,134.44

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Solution

The fourth proportional to 13,441.32, 18,544.74 and 8,134.44 is: 11,222.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.32 : 18,544.74 = 8,134.44 : x
  2. Step 2: Convert to fraction form
    13,441.32/18,544.74 = 8,134.44/x
  3. Step 3: Cross multiply
    13,441.32x = 18,544.74 × 8,134.44
  4. Step 4: Simplify right side
    13,441.32x = 150,851,074.85
  5. Step 5: Solve for x
    x = 150,851,074.85/13,441.32
  6. Step 6: Final answer
    x = 11,222.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.