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Finding the Fourth Proportional to 10,995.99, 16,492.14 and 3,974.67

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Solution

The fourth proportional to 10,995.99, 16,492.14 and 3,974.67 is: 5,961.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,995.99 : 16,492.14 = 3,974.67 : x
  2. Step 2: Convert to fraction form
    10,995.99/16,492.14 = 3,974.67/x
  3. Step 3: Cross multiply
    10,995.99x = 16,492.14 × 3,974.67
  4. Step 4: Simplify right side
    10,995.99x = 65,550,814.09
  5. Step 5: Solve for x
    x = 65,550,814.09/10,995.99
  6. Step 6: Final answer
    x = 5,961.34

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.