Home / 11,481.02-17,228.43-4,907.21

Finding the Fourth Proportional to 11,481.02, 17,228.43 and 4,907.21

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Solution

The fourth proportional to 11,481.02, 17,228.43 and 4,907.21 is: 7,363.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.02 : 17,228.43 = 4,907.21 : x
  2. Step 2: Convert to fraction form
    11,481.02/17,228.43 = 4,907.21/x
  3. Step 3: Cross multiply
    11,481.02x = 17,228.43 × 4,907.21
  4. Step 4: Simplify right side
    11,481.02x = 84,543,439.60
  5. Step 5: Solve for x
    x = 84,543,439.60/11,481.02
  6. Step 6: Final answer
    x = 7,363.76

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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.