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Finding the Fourth Proportional to 17,858.07, 24,664.31 and 12,183.07

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Solution

The fourth proportional to 17,858.07, 24,664.31 and 12,183.07 is: 16,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,858.07 : 24,664.31 = 12,183.07 : x
  2. Step 2: Convert to fraction form
    17,858.07/24,664.31 = 12,183.07/x
  3. Step 3: Cross multiply
    17,858.07x = 24,664.31 × 12,183.07
  4. Step 4: Simplify right side
    17,858.07x = 300,487,015.23
  5. Step 5: Solve for x
    x = 300,487,015.23/17,858.07
  6. Step 6: Final answer
    x = 16,826.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.