Home / 12,652.56-18,939.96-10,786.32

Finding the Fourth Proportional to 12,652.56, 18,939.96 and 10,786.32

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Solution

The fourth proportional to 12,652.56, 18,939.96 and 10,786.32 is: 16,146.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,652.56 : 18,939.96 = 10,786.32 : x
  2. Step 2: Convert to fraction form
    12,652.56/18,939.96 = 10,786.32/x
  3. Step 3: Cross multiply
    12,652.56x = 18,939.96 × 10,786.32
  4. Step 4: Simplify right side
    12,652.56x = 204,292,469.35
  5. Step 5: Solve for x
    x = 204,292,469.35/12,652.56
  6. Step 6: Final answer
    x = 16,146.33

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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.