Home / 12,464.99-18,697.64-3,580.61

Finding the Fourth Proportional to 12,464.99, 18,697.64 and 3,580.61

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Solution

The fourth proportional to 12,464.99, 18,697.64 and 3,580.61 is: 5,370.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464.99 : 18,697.64 = 3,580.61 : x
  2. Step 2: Convert to fraction form
    12,464.99/18,697.64 = 3,580.61/x
  3. Step 3: Cross multiply
    12,464.99x = 18,697.64 × 3,580.61
  4. Step 4: Simplify right side
    12,464.99x = 66,948,845.37
  5. Step 5: Solve for x
    x = 66,948,845.37/12,464.99
  6. Step 6: Final answer
    x = 5,370.95

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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.