Home / 12,299.46-16,974.81-11,249.70

Finding the Fourth Proportional to 12,299.46, 16,974.81 and 11,249.70

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Solution

The fourth proportional to 12,299.46, 16,974.81 and 11,249.70 is: 15,526.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299.46 : 16,974.81 = 11,249.70 : x
  2. Step 2: Convert to fraction form
    12,299.46/16,974.81 = 11,249.70/x
  3. Step 3: Cross multiply
    12,299.46x = 16,974.81 × 11,249.70
  4. Step 4: Simplify right side
    12,299.46x = 190,961,520.06
  5. Step 5: Solve for x
    x = 190,961,520.06/12,299.46
  6. Step 6: Final answer
    x = 15,526.01

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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.