Home / 11,824.70-16,318.12-6,519.40

Finding the Fourth Proportional to 11,824.70, 16,318.12 and 6,519.40

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Solution

The fourth proportional to 11,824.70, 16,318.12 and 6,519.40 is: 8,996.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,824.70 : 16,318.12 = 6,519.40 : x
  2. Step 2: Convert to fraction form
    11,824.70/16,318.12 = 6,519.40/x
  3. Step 3: Cross multiply
    11,824.70x = 16,318.12 × 6,519.40
  4. Step 4: Simplify right side
    11,824.70x = 106,384,351.53
  5. Step 5: Solve for x
    x = 106,384,351.53/11,824.70
  6. Step 6: Final answer
    x = 8,996.79

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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.