Home / 23,138.74-34,708.10-7,556.37

Finding the Fourth Proportional to 23,138.74, 34,708.10 and 7,556.37

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Solution

The fourth proportional to 23,138.74, 34,708.10 and 7,556.37 is: 11,334.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,138.74 : 34,708.10 = 7,556.37 : x
  2. Step 2: Convert to fraction form
    23,138.74/34,708.10 = 7,556.37/x
  3. Step 3: Cross multiply
    23,138.74x = 34,708.10 × 7,556.37
  4. Step 4: Simplify right side
    23,138.74x = 262,267,245.60
  5. Step 5: Solve for x
    x = 262,267,245.60/23,138.74
  6. Step 6: Final answer
    x = 11,334.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.