Home / 18,632.06-25,735.32-13,519.37

Finding the Fourth Proportional to 18,632.06, 25,735.32 and 13,519.37

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Solution

The fourth proportional to 18,632.06, 25,735.32 and 13,519.37 is: 18,673.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,632.06 : 25,735.32 = 13,519.37 : x
  2. Step 2: Convert to fraction form
    18,632.06/25,735.32 = 13,519.37/x
  3. Step 3: Cross multiply
    18,632.06x = 25,735.32 × 13,519.37
  4. Step 4: Simplify right side
    18,632.06x = 347,925,313.15
  5. Step 5: Solve for x
    x = 347,925,313.15/18,632.06
  6. Step 6: Final answer
    x = 18,673.48

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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.