Home / 19,745.22-29,638.32-11,441.45

Finding the Fourth Proportional to 19,745.22, 29,638.32 and 11,441.45

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Solution

The fourth proportional to 19,745.22, 29,638.32 and 11,441.45 is: 17,174.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,745.22 : 29,638.32 = 11,441.45 : x
  2. Step 2: Convert to fraction form
    19,745.22/29,638.32 = 11,441.45/x
  3. Step 3: Cross multiply
    19,745.22x = 29,638.32 × 11,441.45
  4. Step 4: Simplify right side
    19,745.22x = 339,105,451.91
  5. Step 5: Solve for x
    x = 339,105,451.91/19,745.22
  6. Step 6: Final answer
    x = 17,174.05

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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.