Home / 13,360.94-20,040.70-6,786.98

Finding the Fourth Proportional to 13,360.94, 20,040.70 and 6,786.98

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Solution

The fourth proportional to 13,360.94, 20,040.70 and 6,786.98 is: 10,180.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.94 : 20,040.70 = 6,786.98 : x
  2. Step 2: Convert to fraction form
    13,360.94/20,040.70 = 6,786.98/x
  3. Step 3: Cross multiply
    13,360.94x = 20,040.70 × 6,786.98
  4. Step 4: Simplify right side
    13,360.94x = 136,015,830.09
  5. Step 5: Solve for x
    x = 136,015,830.09/13,360.94
  6. Step 6: Final answer
    x = 10,180.11

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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.