Home / 12,883.87-19,326.39-3,523.68

Finding the Fourth Proportional to 12,883.87, 19,326.39 and 3,523.68

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Solution

The fourth proportional to 12,883.87, 19,326.39 and 3,523.68 is: 5,285.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,883.87 : 19,326.39 = 3,523.68 : x
  2. Step 2: Convert to fraction form
    12,883.87/19,326.39 = 3,523.68/x
  3. Step 3: Cross multiply
    12,883.87x = 19,326.39 × 3,523.68
  4. Step 4: Simplify right side
    12,883.87x = 68,100,071.04
  5. Step 5: Solve for x
    x = 68,100,071.04/12,883.87
  6. Step 6: Final answer
    x = 5,285.68

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1.5x scale

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.