Home / 18,221.56-25,145.26-10,263.85

Finding the Fourth Proportional to 18,221.56, 25,145.26 and 10,263.85

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Solution

The fourth proportional to 18,221.56, 25,145.26 and 10,263.85 is: 14,163.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,221.56 : 25,145.26 = 10,263.85 : x
  2. Step 2: Convert to fraction form
    18,221.56/25,145.26 = 10,263.85/x
  3. Step 3: Cross multiply
    18,221.56x = 25,145.26 × 10,263.85
  4. Step 4: Simplify right side
    18,221.56x = 258,087,176.85
  5. Step 5: Solve for x
    x = 258,087,176.85/18,221.56
  6. Step 6: Final answer
    x = 14,163.84

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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.