Home / 14,861.82-20,511.42-9,198.39

Finding the Fourth Proportional to 14,861.82, 20,511.42 and 9,198.39

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Solution

The fourth proportional to 14,861.82, 20,511.42 and 9,198.39 is: 12,695.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,861.82 : 20,511.42 = 9,198.39 : x
  2. Step 2: Convert to fraction form
    14,861.82/20,511.42 = 9,198.39/x
  3. Step 3: Cross multiply
    14,861.82x = 20,511.42 × 9,198.39
  4. Step 4: Simplify right side
    14,861.82x = 188,672,152.03
  5. Step 5: Solve for x
    x = 188,672,152.03/14,861.82
  6. Step 6: Final answer
    x = 12,695.09

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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.