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Finding the Fourth Proportional to 11,249.74, 16,804.48 and 8,333.74

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Solution

The fourth proportional to 11,249.74, 16,804.48 and 8,333.74 is: 12,448.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.74 : 16,804.48 = 8,333.74 : x
  2. Step 2: Convert to fraction form
    11,249.74/16,804.48 = 8,333.74/x
  3. Step 3: Cross multiply
    11,249.74x = 16,804.48 × 8,333.74
  4. Step 4: Simplify right side
    11,249.74x = 140,044,167.16
  5. Step 5: Solve for x
    x = 140,044,167.16/11,249.74
  6. Step 6: Final answer
    x = 12,448.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.