Home / 19,896.94-27,458.43-10,945.13

Finding the Fourth Proportional to 19,896.94, 27,458.43 and 10,945.13

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Solution

The fourth proportional to 19,896.94, 27,458.43 and 10,945.13 is: 15,104.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,896.94 : 27,458.43 = 10,945.13 : x
  2. Step 2: Convert to fraction form
    19,896.94/27,458.43 = 10,945.13/x
  3. Step 3: Cross multiply
    19,896.94x = 27,458.43 × 10,945.13
  4. Step 4: Simplify right side
    19,896.94x = 300,536,085.95
  5. Step 5: Solve for x
    x = 300,536,085.95/19,896.94
  6. Step 6: Final answer
    x = 15,104.64

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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.