Home / 14,129.66-21,194.58-4,268.90

Finding the Fourth Proportional to 14,129.66, 21,194.58 and 4,268.90

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Solution

The fourth proportional to 14,129.66, 21,194.58 and 4,268.90 is: 6,403.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.66 : 21,194.58 = 4,268.90 : x
  2. Step 2: Convert to fraction form
    14,129.66/21,194.58 = 4,268.90/x
  3. Step 3: Cross multiply
    14,129.66x = 21,194.58 × 4,268.90
  4. Step 4: Simplify right side
    14,129.66x = 90,477,542.56
  5. Step 5: Solve for x
    x = 90,477,542.56/14,129.66
  6. Step 6: Final answer
    x = 6,403.38

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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.