Home / 14,961.26-20,645.73-8,245.55

Finding the Fourth Proportional to 14,961.26, 20,645.73 and 8,245.55

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Solution

The fourth proportional to 14,961.26, 20,645.73 and 8,245.55 is: 11,378.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961.26 : 20,645.73 = 8,245.55 : x
  2. Step 2: Convert to fraction form
    14,961.26/20,645.73 = 8,245.55/x
  3. Step 3: Cross multiply
    14,961.26x = 20,645.73 × 8,245.55
  4. Step 4: Simplify right side
    14,961.26x = 170,235,295.77
  5. Step 5: Solve for x
    x = 170,235,295.77/14,961.26
  6. Step 6: Final answer
    x = 11,378.41

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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.