Home / 13,636.44-20,435.70-6,222.36

Finding the Fourth Proportional to 13,636.44, 20,435.70 and 6,222.36

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Solution

The fourth proportional to 13,636.44, 20,435.70 and 6,222.36 is: 9,324.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,636.44 : 20,435.70 = 6,222.36 : x
  2. Step 2: Convert to fraction form
    13,636.44/20,435.70 = 6,222.36/x
  3. Step 3: Cross multiply
    13,636.44x = 20,435.70 × 6,222.36
  4. Step 4: Simplify right side
    13,636.44x = 127,158,282.25
  5. Step 5: Solve for x
    x = 127,158,282.25/13,636.44
  6. Step 6: Final answer
    x = 9,324.89

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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.