Home / 12,824.64-19,240.80-4,060.80

Finding the Fourth Proportional to 12,824.64, 19,240.80 and 4,060.80

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Solution

The fourth proportional to 12,824.64, 19,240.80 and 4,060.80 is: 6,092.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,824.64 : 19,240.80 = 4,060.80 : x
  2. Step 2: Convert to fraction form
    12,824.64/19,240.80 = 4,060.80/x
  3. Step 3: Cross multiply
    12,824.64x = 19,240.80 × 4,060.80
  4. Step 4: Simplify right side
    12,824.64x = 78,133,040.64
  5. Step 5: Solve for x
    x = 78,133,040.64/12,824.64
  6. Step 6: Final answer
    x = 6,092.42

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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.