Home / 12,975.66-17,868.69-11,273.37

Finding the Fourth Proportional to 12,975.66, 17,868.69 and 11,273.37

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Solution

The fourth proportional to 12,975.66, 17,868.69 and 11,273.37 is: 15,524.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,975.66 : 17,868.69 = 11,273.37 : x
  2. Step 2: Convert to fraction form
    12,975.66/17,868.69 = 11,273.37/x
  3. Step 3: Cross multiply
    12,975.66x = 17,868.69 × 11,273.37
  4. Step 4: Simplify right side
    12,975.66x = 201,440,353.79
  5. Step 5: Solve for x
    x = 201,440,353.79/12,975.66
  6. Step 6: Final answer
    x = 15,524.48

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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.