Home / 13,074.41-19,682.76-11,911.88

Finding the Fourth Proportional to 13,074.41, 19,682.76 and 11,911.88

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Solution

The fourth proportional to 13,074.41, 19,682.76 and 11,911.88 is: 17,932.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,074.41 : 19,682.76 = 11,911.88 : x
  2. Step 2: Convert to fraction form
    13,074.41/19,682.76 = 11,911.88/x
  3. Step 3: Cross multiply
    13,074.41x = 19,682.76 × 11,911.88
  4. Step 4: Simplify right side
    13,074.41x = 234,458,615.63
  5. Step 5: Solve for x
    x = 234,458,615.63/13,074.41
  6. Step 6: Final answer
    x = 17,932.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.