Home / 11,271.68-16,907.74-3,480.49

Finding the Fourth Proportional to 11,271.68, 16,907.74 and 3,480.49

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Solution

The fourth proportional to 11,271.68, 16,907.74 and 3,480.49 is: 5,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,271.68 : 16,907.74 = 3,480.49 : x
  2. Step 2: Convert to fraction form
    11,271.68/16,907.74 = 3,480.49/x
  3. Step 3: Cross multiply
    11,271.68x = 16,907.74 × 3,480.49
  4. Step 4: Simplify right side
    11,271.68x = 58,847,219.99
  5. Step 5: Solve for x
    x = 58,847,219.99/11,271.68
  6. Step 6: Final answer
    x = 5,220.80

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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.