Home / 13,245.84-19,868.79-4,481.45

Finding the Fourth Proportional to 13,245.84, 19,868.79 and 4,481.45

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Solution

The fourth proportional to 13,245.84, 19,868.79 and 4,481.45 is: 6,722.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.84 : 19,868.79 = 4,481.45 : x
  2. Step 2: Convert to fraction form
    13,245.84/19,868.79 = 4,481.45/x
  3. Step 3: Cross multiply
    13,245.84x = 19,868.79 × 4,481.45
  4. Step 4: Simplify right side
    13,245.84x = 89,040,889.60
  5. Step 5: Solve for x
    x = 89,040,889.60/13,245.84
  6. Step 6: Final answer
    x = 6,722.18

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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.