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Finding the Fourth Proportional to 19,466.50, 26,863.77 and 10,634.50

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Solution

The fourth proportional to 19,466.50, 26,863.77 and 10,634.50 is: 14,675.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,466.50 : 26,863.77 = 10,634.50 : x
  2. Step 2: Convert to fraction form
    19,466.50/26,863.77 = 10,634.50/x
  3. Step 3: Cross multiply
    19,466.50x = 26,863.77 × 10,634.50
  4. Step 4: Simplify right side
    19,466.50x = 285,682,762.07
  5. Step 5: Solve for x
    x = 285,682,762.07/19,466.50
  6. Step 6: Final answer
    x = 14,675.61

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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.