Home / 11,219.38-16,821.24-4,975.96

Finding the Fourth Proportional to 11,219.38, 16,821.24 and 4,975.96

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Solution

The fourth proportional to 11,219.38, 16,821.24 and 4,975.96 is: 7,460.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.38 : 16,821.24 = 4,975.96 : x
  2. Step 2: Convert to fraction form
    11,219.38/16,821.24 = 4,975.96/x
  3. Step 3: Cross multiply
    11,219.38x = 16,821.24 × 4,975.96
  4. Step 4: Simplify right side
    11,219.38x = 83,701,817.39
  5. Step 5: Solve for x
    x = 83,701,817.39/11,219.38
  6. Step 6: Final answer
    x = 7,460.47

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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.