Home / 19,450.90-29,173.62-11,103.84

Finding the Fourth Proportional to 19,450.90, 29,173.62 and 11,103.84

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Solution

The fourth proportional to 19,450.90, 29,173.62 and 11,103.84 is: 16,654.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,450.90 : 29,173.62 = 11,103.84 : x
  2. Step 2: Convert to fraction form
    19,450.90/29,173.62 = 11,103.84/x
  3. Step 3: Cross multiply
    19,450.90x = 29,173.62 × 11,103.84
  4. Step 4: Simplify right side
    19,450.90x = 323,939,208.70
  5. Step 5: Solve for x
    x = 323,939,208.70/19,450.90
  6. Step 6: Final answer
    x = 16,654.20

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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.