Home / 18,811.55-25,958.31-10,745.17

Finding the Fourth Proportional to 18,811.55, 25,958.31 and 10,745.17

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Solution

The fourth proportional to 18,811.55, 25,958.31 and 10,745.17 is: 14,827.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,811.55 : 25,958.31 = 10,745.17 : x
  2. Step 2: Convert to fraction form
    18,811.55/25,958.31 = 10,745.17/x
  3. Step 3: Cross multiply
    18,811.55x = 25,958.31 × 10,745.17
  4. Step 4: Simplify right side
    18,811.55x = 278,926,453.86
  5. Step 5: Solve for x
    x = 278,926,453.86/18,811.55
  6. Step 6: Final answer
    x = 14,827.40

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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.