Home / 11,216.07-16,821.27-3,820.23

Finding the Fourth Proportional to 11,216.07, 16,821.27 and 3,820.23

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Solution

The fourth proportional to 11,216.07, 16,821.27 and 3,820.23 is: 5,729.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.07 : 16,821.27 = 3,820.23 : x
  2. Step 2: Convert to fraction form
    11,216.07/16,821.27 = 3,820.23/x
  3. Step 3: Cross multiply
    11,216.07x = 16,821.27 × 3,820.23
  4. Step 4: Simplify right side
    11,216.07x = 64,261,120.29
  5. Step 5: Solve for x
    x = 64,261,120.29/11,216.07
  6. Step 6: Final answer
    x = 5,729.38

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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.