Home / 13,922.98-20,889.60-6,529.84

Finding the Fourth Proportional to 13,922.98, 20,889.60 and 6,529.84

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Solution

The fourth proportional to 13,922.98, 20,889.60 and 6,529.84 is: 9,797.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.98 : 20,889.60 = 6,529.84 : x
  2. Step 2: Convert to fraction form
    13,922.98/20,889.60 = 6,529.84/x
  3. Step 3: Cross multiply
    13,922.98x = 20,889.60 × 6,529.84
  4. Step 4: Simplify right side
    13,922.98x = 136,405,745.66
  5. Step 5: Solve for x
    x = 136,405,745.66/13,922.98
  6. Step 6: Final answer
    x = 9,797.17

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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.