Home / 14,818.99-20,450.21-8,104.63

Finding the Fourth Proportional to 14,818.99, 20,450.21 and 8,104.63

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Solution

The fourth proportional to 14,818.99, 20,450.21 and 8,104.63 is: 11,184.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,818.99 : 20,450.21 = 8,104.63 : x
  2. Step 2: Convert to fraction form
    14,818.99/20,450.21 = 8,104.63/x
  3. Step 3: Cross multiply
    14,818.99x = 20,450.21 × 8,104.63
  4. Step 4: Simplify right side
    14,818.99x = 165,741,344.95
  5. Step 5: Solve for x
    x = 165,741,344.95/14,818.99
  6. Step 6: Final answer
    x = 11,184.39

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Double scale
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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.