Home / 18,494.75-25,556.57-13,180.34

Finding the Fourth Proportional to 18,494.75, 25,556.57 and 13,180.34

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Solution

The fourth proportional to 18,494.75, 25,556.57 and 13,180.34 is: 18,212.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,494.75 : 25,556.57 = 13,180.34 : x
  2. Step 2: Convert to fraction form
    18,494.75/25,556.57 = 13,180.34/x
  3. Step 3: Cross multiply
    18,494.75x = 25,556.57 × 13,180.34
  4. Step 4: Simplify right side
    18,494.75x = 336,844,088.15
  5. Step 5: Solve for x
    x = 336,844,088.15/18,494.75
  6. Step 6: Final answer
    x = 18,212.96

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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.