Home / 12,644.36-18,968.98-4,852.56

Finding the Fourth Proportional to 12,644.36, 18,968.98 and 4,852.56

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Solution

The fourth proportional to 12,644.36, 18,968.98 and 4,852.56 is: 7,279.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,644.36 : 18,968.98 = 4,852.56 : x
  2. Step 2: Convert to fraction form
    12,644.36/18,968.98 = 4,852.56/x
  3. Step 3: Cross multiply
    12,644.36x = 18,968.98 × 4,852.56
  4. Step 4: Simplify right side
    12,644.36x = 92,048,113.59
  5. Step 5: Solve for x
    x = 92,048,113.59/12,644.36
  6. Step 6: Final answer
    x = 7,279.78

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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.