Home / 13,933.68-19,227.48-7,965.60

Finding the Fourth Proportional to 13,933.68, 19,227.48 and 7,965.60

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Solution

The fourth proportional to 13,933.68, 19,227.48 and 7,965.60 is: 10,991.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.68 : 19,227.48 = 7,965.60 : x
  2. Step 2: Convert to fraction form
    13,933.68/19,227.48 = 7,965.60/x
  3. Step 3: Cross multiply
    13,933.68x = 19,227.48 × 7,965.60
  4. Step 4: Simplify right side
    13,933.68x = 153,158,414.69
  5. Step 5: Solve for x
    x = 153,158,414.69/13,933.68
  6. Step 6: Final answer
    x = 10,991.96

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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.