Home / 12,768.24-19,152.36-4,003.84

Finding the Fourth Proportional to 12,768.24, 19,152.36 and 4,003.84

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Solution

The fourth proportional to 12,768.24, 19,152.36 and 4,003.84 is: 6,005.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768.24 : 19,152.36 = 4,003.84 : x
  2. Step 2: Convert to fraction form
    12,768.24/19,152.36 = 4,003.84/x
  3. Step 3: Cross multiply
    12,768.24x = 19,152.36 × 4,003.84
  4. Step 4: Simplify right side
    12,768.24x = 76,682,937.18
  5. Step 5: Solve for x
    x = 76,682,937.18/12,768.24
  6. Step 6: Final answer
    x = 6,005.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.