Home / 19,777.75-27,293.30-10,945.75

Finding the Fourth Proportional to 19,777.75, 27,293.30 and 10,945.75

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Solution

The fourth proportional to 19,777.75, 27,293.30 and 10,945.75 is: 15,105.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,777.75 : 27,293.30 = 10,945.75 : x
  2. Step 2: Convert to fraction form
    19,777.75/27,293.30 = 10,945.75/x
  3. Step 3: Cross multiply
    19,777.75x = 27,293.30 × 10,945.75
  4. Step 4: Simplify right side
    19,777.75x = 298,745,583.75
  5. Step 5: Solve for x
    x = 298,745,583.75/19,777.75
  6. Step 6: Final answer
    x = 15,105.14

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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.