Home / 11,604.49-16,013.79-6,299.20

Finding the Fourth Proportional to 11,604.49, 16,013.79 and 6,299.20

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Solution

The fourth proportional to 11,604.49, 16,013.79 and 6,299.20 is: 8,692.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,604.49 : 16,013.79 = 6,299.20 : x
  2. Step 2: Convert to fraction form
    11,604.49/16,013.79 = 6,299.20/x
  3. Step 3: Cross multiply
    11,604.49x = 16,013.79 × 6,299.20
  4. Step 4: Simplify right side
    11,604.49x = 100,874,065.97
  5. Step 5: Solve for x
    x = 100,874,065.97/11,604.49
  6. Step 6: Final answer
    x = 8,692.68

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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.