Home / 12,468.22-18,698.27-4,145.99

Finding the Fourth Proportional to 12,468.22, 18,698.27 and 4,145.99

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Solution

The fourth proportional to 12,468.22, 18,698.27 and 4,145.99 is: 6,217.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468.22 : 18,698.27 = 4,145.99 : x
  2. Step 2: Convert to fraction form
    12,468.22/18,698.27 = 4,145.99/x
  3. Step 3: Cross multiply
    12,468.22x = 18,698.27 × 4,145.99
  4. Step 4: Simplify right side
    12,468.22x = 77,522,819.71
  5. Step 5: Solve for x
    x = 77,522,819.71/12,468.22
  6. Step 6: Final answer
    x = 6,217.64

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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.