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Finding the Fourth Proportional to 16,591.44, 22,896.68 and 9,519.12

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Solution

The fourth proportional to 16,591.44, 22,896.68 and 9,519.12 is: 13,136.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,591.44 : 22,896.68 = 9,519.12 : x
  2. Step 2: Convert to fraction form
    16,591.44/22,896.68 = 9,519.12/x
  3. Step 3: Cross multiply
    16,591.44x = 22,896.68 × 9,519.12
  4. Step 4: Simplify right side
    16,591.44x = 217,956,244.52
  5. Step 5: Solve for x
    x = 217,956,244.52/16,591.44
  6. Step 6: Final answer
    x = 13,136.67

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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.