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Finding the Fourth Proportional to 14,615, 21,922.58 and 3,671

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Solution

The fourth proportional to 14,615, 21,922.58 and 3,671 is: 5,506.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615 : 21,922.58 = 3,671 : x
  2. Step 2: Convert to fraction form
    14,615/21,922.58 = 3,671/x
  3. Step 3: Cross multiply
    14,615x = 21,922.58 × 3,671
  4. Step 4: Simplify right side
    14,615x = 80,477,791.18
  5. Step 5: Solve for x
    x = 80,477,791.18/14,615
  6. Step 6: Final answer
    x = 5,506.52

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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.