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Finding the Fourth Proportional to 16,339.50, 22,548.99 and 8,887.98

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Solution

The fourth proportional to 16,339.50, 22,548.99 and 8,887.98 is: 12,265.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,339.50 : 22,548.99 = 8,887.98 : x
  2. Step 2: Convert to fraction form
    16,339.50/22,548.99 = 8,887.98/x
  3. Step 3: Cross multiply
    16,339.50x = 22,548.99 × 8,887.98
  4. Step 4: Simplify right side
    16,339.50x = 200,414,972.14
  5. Step 5: Solve for x
    x = 200,414,972.14/16,339.50
  6. Step 6: Final answer
    x = 12,265.67

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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.