Home / 12,628.03-18,939.00-3,863.02

Finding the Fourth Proportional to 12,628.03, 18,939.00 and 3,863.02

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Solution

The fourth proportional to 12,628.03, 18,939.00 and 3,863.02 is: 5,793.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,628.03 : 18,939.00 = 3,863.02 : x
  2. Step 2: Convert to fraction form
    12,628.03/18,939.00 = 3,863.02/x
  3. Step 3: Cross multiply
    12,628.03x = 18,939.00 × 3,863.02
  4. Step 4: Simplify right side
    12,628.03x = 73,161,621.77
  5. Step 5: Solve for x
    x = 73,161,621.77/12,628.03
  6. Step 6: Final answer
    x = 5,793.59

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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.