Home / 18,811.55-25,954.68-14,820.27

Finding the Fourth Proportional to 18,811.55, 25,954.68 and 14,820.27

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Solution

The fourth proportional to 18,811.55, 25,954.68 and 14,820.27 is: 20,447.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,811.55 : 25,954.68 = 14,820.27 : x
  2. Step 2: Convert to fraction form
    18,811.55/25,954.68 = 14,820.27/x
  3. Step 3: Cross multiply
    18,811.55x = 25,954.68 × 14,820.27
  4. Step 4: Simplify right side
    18,811.55x = 384,655,365.36
  5. Step 5: Solve for x
    x = 384,655,365.36/18,811.55
  6. Step 6: Final answer
    x = 20,447.83

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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.