Home / 11,228-16,844.43-4,302.50

Finding the Fourth Proportional to 11,228, 16,844.43 and 4,302.50

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Solution

The fourth proportional to 11,228, 16,844.43 and 4,302.50 is: 6,454.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228 : 16,844.43 = 4,302.50 : x
  2. Step 2: Convert to fraction form
    11,228/16,844.43 = 4,302.50/x
  3. Step 3: Cross multiply
    11,228x = 16,844.43 × 4,302.50
  4. Step 4: Simplify right side
    11,228x = 72,473,160.08
  5. Step 5: Solve for x
    x = 72,473,160.08/11,228
  6. Step 6: Final answer
    x = 6,454.68

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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.