Home / 11,249.90-16,874.81-6,249.92

Finding the Fourth Proportional to 11,249.90, 16,874.81 and 6,249.92

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Solution

The fourth proportional to 11,249.90, 16,874.81 and 6,249.92 is: 9,374.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.90 : 16,874.81 = 6,249.92 : x
  2. Step 2: Convert to fraction form
    11,249.90/16,874.81 = 6,249.92/x
  3. Step 3: Cross multiply
    11,249.90x = 16,874.81 × 6,249.92
  4. Step 4: Simplify right side
    11,249.90x = 105,466,246.89
  5. Step 5: Solve for x
    x = 105,466,246.89/11,249.90
  6. Step 6: Final answer
    x = 9,374.87

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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.