Home / 19,448.90-29,170.61-11,101.85

Finding the Fourth Proportional to 19,448.90, 29,170.61 and 11,101.85

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Solution

The fourth proportional to 19,448.90, 29,170.61 and 11,101.85 is: 16,651.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,448.90 : 29,170.61 = 11,101.85 : x
  2. Step 2: Convert to fraction form
    19,448.90/29,170.61 = 11,101.85/x
  3. Step 3: Cross multiply
    19,448.90x = 29,170.61 × 11,101.85
  4. Step 4: Simplify right side
    19,448.90x = 323,847,736.63
  5. Step 5: Solve for x
    x = 323,847,736.63/19,448.90
  6. Step 6: Final answer
    x = 16,651.21

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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.