Home / 18,258.58-25,212.20-11,556.03

Finding the Fourth Proportional to 18,258.58, 25,212.20 and 11,556.03

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Solution

The fourth proportional to 18,258.58, 25,212.20 and 11,556.03 is: 15,957.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.58 : 25,212.20 = 11,556.03 : x
  2. Step 2: Convert to fraction form
    18,258.58/25,212.20 = 11,556.03/x
  3. Step 3: Cross multiply
    18,258.58x = 25,212.20 × 11,556.03
  4. Step 4: Simplify right side
    18,258.58x = 291,352,939.57
  5. Step 5: Solve for x
    x = 291,352,939.57/18,258.58
  6. Step 6: Final answer
    x = 15,957.04

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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.