Home / 12,504.24-18,725.99-8,108.37

Finding the Fourth Proportional to 12,504.24, 18,725.99 and 8,108.37

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Solution

The fourth proportional to 12,504.24, 18,725.99 and 8,108.37 is: 12,142.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.24 : 18,725.99 = 8,108.37 : x
  2. Step 2: Convert to fraction form
    12,504.24/18,725.99 = 8,108.37/x
  3. Step 3: Cross multiply
    12,504.24x = 18,725.99 × 8,108.37
  4. Step 4: Simplify right side
    12,504.24x = 151,837,214.99
  5. Step 5: Solve for x
    x = 151,837,214.99/12,504.24
  6. Step 6: Final answer
    x = 12,142.86

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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.