Home / 12,941.52-19,408.62-3,579.36

Finding the Fourth Proportional to 12,941.52, 19,408.62 and 3,579.36

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Solution

The fourth proportional to 12,941.52, 19,408.62 and 3,579.36 is: 5,368.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941.52 : 19,408.62 = 3,579.36 : x
  2. Step 2: Convert to fraction form
    12,941.52/19,408.62 = 3,579.36/x
  3. Step 3: Cross multiply
    12,941.52x = 19,408.62 × 3,579.36
  4. Step 4: Simplify right side
    12,941.52x = 69,470,438.08
  5. Step 5: Solve for x
    x = 69,470,438.08/12,941.52
  6. Step 6: Final answer
    x = 5,368.03

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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.