Home / 14,817.86-20,450.55-8,446.77

Finding the Fourth Proportional to 14,817.86, 20,450.55 and 8,446.77

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Solution

The fourth proportional to 14,817.86, 20,450.55 and 8,446.77 is: 11,657.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,817.86 : 20,450.55 = 8,446.77 : x
  2. Step 2: Convert to fraction form
    14,817.86/20,450.55 = 8,446.77/x
  3. Step 3: Cross multiply
    14,817.86x = 20,450.55 × 8,446.77
  4. Step 4: Simplify right side
    14,817.86x = 172,741,092.22
  5. Step 5: Solve for x
    x = 172,741,092.22/14,817.86
  6. Step 6: Final answer
    x = 11,657.63

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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.