Home / 14,268.04-21,403.66-3,879.88

Finding the Fourth Proportional to 14,268.04, 21,403.66 and 3,879.88

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Solution

The fourth proportional to 14,268.04, 21,403.66 and 3,879.88 is: 5,820.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.04 : 21,403.66 = 3,879.88 : x
  2. Step 2: Convert to fraction form
    14,268.04/21,403.66 = 3,879.88/x
  3. Step 3: Cross multiply
    14,268.04x = 21,403.66 × 3,879.88
  4. Step 4: Simplify right side
    14,268.04x = 83,043,632.36
  5. Step 5: Solve for x
    x = 83,043,632.36/14,268.04
  6. Step 6: Final answer
    x = 5,820.26

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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.