Home / 14,649.82-21,923.69-11,986.54

Finding the Fourth Proportional to 14,649.82, 21,923.69 and 11,986.54

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Solution

The fourth proportional to 14,649.82, 21,923.69 and 11,986.54 is: 17,938.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,649.82 : 21,923.69 = 11,986.54 : x
  2. Step 2: Convert to fraction form
    14,649.82/21,923.69 = 11,986.54/x
  3. Step 3: Cross multiply
    14,649.82x = 21,923.69 × 11,986.54
  4. Step 4: Simplify right side
    14,649.82x = 262,789,072.39
  5. Step 5: Solve for x
    x = 262,789,072.39/14,649.82
  6. Step 6: Final answer
    x = 17,938.04

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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.