Home / 13,933.29-19,227.93-7,965.09

Finding the Fourth Proportional to 13,933.29, 19,227.93 and 7,965.09

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Solution

The fourth proportional to 13,933.29, 19,227.93 and 7,965.09 is: 10,991.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.29 : 19,227.93 = 7,965.09 : x
  2. Step 2: Convert to fraction form
    13,933.29/19,227.93 = 7,965.09/x
  3. Step 3: Cross multiply
    13,933.29x = 19,227.93 × 7,965.09
  4. Step 4: Simplify right side
    13,933.29x = 153,152,192.96
  5. Step 5: Solve for x
    x = 153,152,192.96/13,933.29
  6. Step 6: Final answer
    x = 10,991.82

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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.