Home / 14,268.96-21,405.82-4,908.60

Finding the Fourth Proportional to 14,268.96, 21,405.82 and 4,908.60

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Solution

The fourth proportional to 14,268.96, 21,405.82 and 4,908.60 is: 7,363.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.96 : 21,405.82 = 4,908.60 : x
  2. Step 2: Convert to fraction form
    14,268.96/21,405.82 = 4,908.60/x
  3. Step 3: Cross multiply
    14,268.96x = 21,405.82 × 4,908.60
  4. Step 4: Simplify right side
    14,268.96x = 105,072,608.05
  5. Step 5: Solve for x
    x = 105,072,608.05/14,268.96
  6. Step 6: Final answer
    x = 7,363.72

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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.