Home / 11,216.25-16,825.77-3,820.14

Finding the Fourth Proportional to 11,216.25, 16,825.77 and 3,820.14

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Solution

The fourth proportional to 11,216.25, 16,825.77 and 3,820.14 is: 5,730.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.25 : 16,825.77 = 3,820.14 : x
  2. Step 2: Convert to fraction form
    11,216.25/16,825.77 = 3,820.14/x
  3. Step 3: Cross multiply
    11,216.25x = 16,825.77 × 3,820.14
  4. Step 4: Simplify right side
    11,216.25x = 64,276,797.01
  5. Step 5: Solve for x
    x = 64,276,797.01/11,216.25
  6. Step 6: Final answer
    x = 5,730.69

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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.