Home / 12,394.20-18,594.18-3,629.28

Finding the Fourth Proportional to 12,394.20, 18,594.18 and 3,629.28

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Solution

The fourth proportional to 12,394.20, 18,594.18 and 3,629.28 is: 5,444.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394.20 : 18,594.18 = 3,629.28 : x
  2. Step 2: Convert to fraction form
    12,394.20/18,594.18 = 3,629.28/x
  3. Step 3: Cross multiply
    12,394.20x = 18,594.18 × 3,629.28
  4. Step 4: Simplify right side
    12,394.20x = 67,483,485.59
  5. Step 5: Solve for x
    x = 67,483,485.59/12,394.20
  6. Step 6: Final answer
    x = 5,444.76

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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.