Home / 12,884.00-19,326.58-3,523.81

Finding the Fourth Proportional to 12,884.00, 19,326.58 and 3,523.81

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Solution

The fourth proportional to 12,884.00, 19,326.58 and 3,523.81 is: 5,285.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884.00 : 19,326.58 = 3,523.81 : x
  2. Step 2: Convert to fraction form
    12,884.00/19,326.58 = 3,523.81/x
  3. Step 3: Cross multiply
    12,884.00x = 19,326.58 × 3,523.81
  4. Step 4: Simplify right side
    12,884.00x = 68,103,151.96
  5. Step 5: Solve for x
    x = 68,103,151.96/12,884.00
  6. Step 6: Final answer
    x = 5,285.87

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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.