Home / 16,268.60-24,431.70-12,579.80

Finding the Fourth Proportional to 16,268.60, 24,431.70 and 12,579.80

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Solution

The fourth proportional to 16,268.60, 24,431.70 and 12,579.80 is: 18,891.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,268.60 : 24,431.70 = 12,579.80 : x
  2. Step 2: Convert to fraction form
    16,268.60/24,431.70 = 12,579.80/x
  3. Step 3: Cross multiply
    16,268.60x = 24,431.70 × 12,579.80
  4. Step 4: Simplify right side
    16,268.60x = 307,345,899.66
  5. Step 5: Solve for x
    x = 307,345,899.66/16,268.60
  6. Step 6: Final answer
    x = 18,891.97

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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.