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Finding the Fourth Proportional to 11,262.99, 16,894.53 and 3,869.58

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Solution

The fourth proportional to 11,262.99, 16,894.53 and 3,869.58 is: 5,804.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,262.99 : 16,894.53 = 3,869.58 : x
  2. Step 2: Convert to fraction form
    11,262.99/16,894.53 = 3,869.58/x
  3. Step 3: Cross multiply
    11,262.99x = 16,894.53 × 3,869.58
  4. Step 4: Simplify right side
    11,262.99x = 65,374,735.40
  5. Step 5: Solve for x
    x = 65,374,735.40/11,262.99
  6. Step 6: Final answer
    x = 5,804.39

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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.