Home / 10,235.37-14,063.60-8,135.85

Finding the Fourth Proportional to 10,235.37, 14,063.60 and 8,135.85

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Solution

The fourth proportional to 10,235.37, 14,063.60 and 8,135.85 is: 11,178.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,235.37 : 14,063.60 = 8,135.85 : x
  2. Step 2: Convert to fraction form
    10,235.37/14,063.60 = 8,135.85/x
  3. Step 3: Cross multiply
    10,235.37x = 14,063.60 × 8,135.85
  4. Step 4: Simplify right side
    10,235.37x = 114,419,299.38
  5. Step 5: Solve for x
    x = 114,419,299.38/10,235.37
  6. Step 6: Final answer
    x = 11,178.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.