Home / 13,811.01-20,760.26-11,886.45

Finding the Fourth Proportional to 13,811.01, 20,760.26 and 11,886.45

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Solution

The fourth proportional to 13,811.01, 20,760.26 and 11,886.45 is: 17,867.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,811.01 : 20,760.26 = 11,886.45 : x
  2. Step 2: Convert to fraction form
    13,811.01/20,760.26 = 11,886.45/x
  3. Step 3: Cross multiply
    13,811.01x = 20,760.26 × 11,886.45
  4. Step 4: Simplify right side
    13,811.01x = 246,765,733.04
  5. Step 5: Solve for x
    x = 246,765,733.04/13,811.01
  6. Step 6: Final answer
    x = 17,867.32

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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.