Home / 11,028.14-16,542.20-2,820.14

Finding the Fourth Proportional to 11,028.14, 16,542.20 and 2,820.14

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Solution

The fourth proportional to 11,028.14, 16,542.20 and 2,820.14 is: 4,230.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.14 : 16,542.20 = 2,820.14 : x
  2. Step 2: Convert to fraction form
    11,028.14/16,542.20 = 2,820.14/x
  3. Step 3: Cross multiply
    11,028.14x = 16,542.20 × 2,820.14
  4. Step 4: Simplify right side
    11,028.14x = 46,651,319.91
  5. Step 5: Solve for x
    x = 46,651,319.91/11,028.14
  6. Step 6: Final answer
    x = 4,230.21

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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.