Home / 10,414.80-15,623.57-3,845.60

Finding the Fourth Proportional to 10,414.80, 15,623.57 and 3,845.60

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Solution

The fourth proportional to 10,414.80, 15,623.57 and 3,845.60 is: 5,768.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,414.80 : 15,623.57 = 3,845.60 : x
  2. Step 2: Convert to fraction form
    10,414.80/15,623.57 = 3,845.60/x
  3. Step 3: Cross multiply
    10,414.80x = 15,623.57 × 3,845.60
  4. Step 4: Simplify right side
    10,414.80x = 60,082,000.79
  5. Step 5: Solve for x
    x = 60,082,000.79/10,414.80
  6. Step 6: Final answer
    x = 5,768.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.