Home / 13,518.93-18,556.84-11,993.50

Finding the Fourth Proportional to 13,518.93, 18,556.84 and 11,993.50

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Solution

The fourth proportional to 13,518.93, 18,556.84 and 11,993.50 is: 16,462.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,518.93 : 18,556.84 = 11,993.50 : x
  2. Step 2: Convert to fraction form
    13,518.93/18,556.84 = 11,993.50/x
  3. Step 3: Cross multiply
    13,518.93x = 18,556.84 × 11,993.50
  4. Step 4: Simplify right side
    13,518.93x = 222,561,465.00
  5. Step 5: Solve for x
    x = 222,561,465.00/13,518.93
  6. Step 6: Final answer
    x = 16,462.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.