Home / 12,942.36-19,408.68-6,012

Finding the Fourth Proportional to 12,942.36, 19,408.68 and 6,012

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Solution

The fourth proportional to 12,942.36, 19,408.68 and 6,012 is: 9,015.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942.36 : 19,408.68 = 6,012 : x
  2. Step 2: Convert to fraction form
    12,942.36/19,408.68 = 6,012/x
  3. Step 3: Cross multiply
    12,942.36x = 19,408.68 × 6,012
  4. Step 4: Simplify right side
    12,942.36x = 116,684,984.16
  5. Step 5: Solve for x
    x = 116,684,984.16/12,942.36
  6. Step 6: Final answer
    x = 9,015.74

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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.