Home / 20,556.01-28,367.82-11,604.34

Finding the Fourth Proportional to 20,556.01, 28,367.82 and 11,604.34

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Solution

The fourth proportional to 20,556.01, 28,367.82 and 11,604.34 is: 16,014.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,556.01 : 28,367.82 = 11,604.34 : x
  2. Step 2: Convert to fraction form
    20,556.01/28,367.82 = 11,604.34/x
  3. Step 3: Cross multiply
    20,556.01x = 28,367.82 × 11,604.34
  4. Step 4: Simplify right side
    20,556.01x = 329,189,628.48
  5. Step 5: Solve for x
    x = 329,189,628.48/20,556.01
  6. Step 6: Final answer
    x = 16,014.28

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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.