Home / 11,228.54-16,844.64-4,990.70

Finding the Fourth Proportional to 11,228.54, 16,844.64 and 4,990.70

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Solution

The fourth proportional to 11,228.54, 16,844.64 and 4,990.70 is: 7,486.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.54 : 16,844.64 = 4,990.70 : x
  2. Step 2: Convert to fraction form
    11,228.54/16,844.64 = 4,990.70/x
  3. Step 3: Cross multiply
    11,228.54x = 16,844.64 × 4,990.70
  4. Step 4: Simplify right side
    11,228.54x = 84,066,544.85
  5. Step 5: Solve for x
    x = 84,066,544.85/11,228.54
  6. Step 6: Final answer
    x = 7,486.86

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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.