Home / 13,933.26-19,228.23-7,965.48

Finding the Fourth Proportional to 13,933.26, 19,228.23 and 7,965.48

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Solution

The fourth proportional to 13,933.26, 19,228.23 and 7,965.48 is: 10,992.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.26 : 19,228.23 = 7,965.48 : x
  2. Step 2: Convert to fraction form
    13,933.26/19,228.23 = 7,965.48/x
  3. Step 3: Cross multiply
    13,933.26x = 19,228.23 × 7,965.48
  4. Step 4: Simplify right side
    13,933.26x = 153,162,153.61
  5. Step 5: Solve for x
    x = 153,162,153.61/13,933.26
  6. Step 6: Final answer
    x = 10,992.56

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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.