Home / 11,824.89-16,318.38-6,519.71

Finding the Fourth Proportional to 11,824.89, 16,318.38 and 6,519.71

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Solution

The fourth proportional to 11,824.89, 16,318.38 and 6,519.71 is: 8,997.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,824.89 : 16,318.38 = 6,519.71 : x
  2. Step 2: Convert to fraction form
    11,824.89/16,318.38 = 6,519.71/x
  3. Step 3: Cross multiply
    11,824.89x = 16,318.38 × 6,519.71
  4. Step 4: Simplify right side
    11,824.89x = 106,391,090.22
  5. Step 5: Solve for x
    x = 106,391,090.22/11,824.89
  6. Step 6: Final answer
    x = 8,997.21

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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.