Home / 18,286.37-25,235.69-10,329.78

Finding the Fourth Proportional to 18,286.37, 25,235.69 and 10,329.78

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Solution

The fourth proportional to 18,286.37, 25,235.69 and 10,329.78 is: 14,255.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286.37 : 25,235.69 = 10,329.78 : x
  2. Step 2: Convert to fraction form
    18,286.37/25,235.69 = 10,329.78/x
  3. Step 3: Cross multiply
    18,286.37x = 25,235.69 × 10,329.78
  4. Step 4: Simplify right side
    18,286.37x = 260,679,125.85
  5. Step 5: Solve for x
    x = 260,679,125.85/18,286.37
  6. Step 6: Final answer
    x = 14,255.38

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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.