Home / 19,455.30-29,212.11-11,144.70

Finding the Fourth Proportional to 19,455.30, 29,212.11 and 11,144.70

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Solution

The fourth proportional to 19,455.30, 29,212.11 and 11,144.70 is: 16,733.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,455.30 : 29,212.11 = 11,144.70 : x
  2. Step 2: Convert to fraction form
    19,455.30/29,212.11 = 11,144.70/x
  3. Step 3: Cross multiply
    19,455.30x = 29,212.11 × 11,144.70
  4. Step 4: Simplify right side
    19,455.30x = 325,560,202.32
  5. Step 5: Solve for x
    x = 325,560,202.32/19,455.30
  6. Step 6: Final answer
    x = 16,733.75

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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.