Home / 12,788.37-19,183.29-4,023.28

Finding the Fourth Proportional to 12,788.37, 19,183.29 and 4,023.28

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Solution

The fourth proportional to 12,788.37, 19,183.29 and 4,023.28 is: 6,035.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,788.37 : 19,183.29 = 4,023.28 : x
  2. Step 2: Convert to fraction form
    12,788.37/19,183.29 = 4,023.28/x
  3. Step 3: Cross multiply
    12,788.37x = 19,183.29 × 4,023.28
  4. Step 4: Simplify right side
    12,788.37x = 77,179,811.15
  5. Step 5: Solve for x
    x = 77,179,811.15/12,788.37
  6. Step 6: Final answer
    x = 6,035.16

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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.