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Finding the Fourth Proportional to 16,611.63, 24,917.45 and 11,401.71

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Solution

The fourth proportional to 16,611.63, 24,917.45 and 11,401.71 is: 17,102.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,611.63 : 24,917.45 = 11,401.71 : x
  2. Step 2: Convert to fraction form
    16,611.63/24,917.45 = 11,401.71/x
  3. Step 3: Cross multiply
    16,611.63x = 24,917.45 × 11,401.71
  4. Step 4: Simplify right side
    16,611.63x = 284,101,481.83
  5. Step 5: Solve for x
    x = 284,101,481.83/16,611.63
  6. Step 6: Final answer
    x = 17,102.57

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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.