Home / 18,608.45-25,679.21-10,110.38

Finding the Fourth Proportional to 18,608.45, 25,679.21 and 10,110.38

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Solution

The fourth proportional to 18,608.45, 25,679.21 and 10,110.38 is: 13,952.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608.45 : 25,679.21 = 10,110.38 : x
  2. Step 2: Convert to fraction form
    18,608.45/25,679.21 = 10,110.38/x
  3. Step 3: Cross multiply
    18,608.45x = 25,679.21 × 10,110.38
  4. Step 4: Simplify right side
    18,608.45x = 259,626,392.25
  5. Step 5: Solve for x
    x = 259,626,392.25/18,608.45
  6. Step 6: Final answer
    x = 13,952.07

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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.