Home / 11,229.44-16,847.80-5,386.50

Finding the Fourth Proportional to 11,229.44, 16,847.80 and 5,386.50

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Solution

The fourth proportional to 11,229.44, 16,847.80 and 5,386.50 is: 8,081.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.44 : 16,847.80 = 5,386.50 : x
  2. Step 2: Convert to fraction form
    11,229.44/16,847.80 = 5,386.50/x
  3. Step 3: Cross multiply
    11,229.44x = 16,847.80 × 5,386.50
  4. Step 4: Simplify right side
    11,229.44x = 90,750,661.23
  5. Step 5: Solve for x
    x = 90,750,661.23/11,229.44
  6. Step 6: Final answer
    x = 8,081.50

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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.