Home / 11,922.21-17,883.09-4,130.82

Finding the Fourth Proportional to 11,922.21, 17,883.09 and 4,130.82

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Solution

The fourth proportional to 11,922.21, 17,883.09 and 4,130.82 is: 6,196.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.21 : 17,883.09 = 4,130.82 : x
  2. Step 2: Convert to fraction form
    11,922.21/17,883.09 = 4,130.82/x
  3. Step 3: Cross multiply
    11,922.21x = 17,883.09 × 4,130.82
  4. Step 4: Simplify right side
    11,922.21x = 73,871,825.83
  5. Step 5: Solve for x
    x = 73,871,825.83/11,922.21
  6. Step 6: Final answer
    x = 6,196.15

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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.