Home / 13,933.90-19,228.82-7,965.73

Finding the Fourth Proportional to 13,933.90, 19,228.82 and 7,965.73

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Solution

The fourth proportional to 13,933.90, 19,228.82 and 7,965.73 is: 10,992.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.90 : 19,228.82 = 7,965.73 : x
  2. Step 2: Convert to fraction form
    13,933.90/19,228.82 = 7,965.73/x
  3. Step 3: Cross multiply
    13,933.90x = 19,228.82 × 7,965.73
  4. Step 4: Simplify right side
    13,933.90x = 153,171,500.44
  5. Step 5: Solve for x
    x = 153,171,500.44/13,933.90
  6. Step 6: Final answer
    x = 10,992.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.