Home / 11,824.40-16,318.43-6,519.71

Finding the Fourth Proportional to 11,824.40, 16,318.43 and 6,519.71

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Solution

The fourth proportional to 11,824.40, 16,318.43 and 6,519.71 is: 8,997.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,824.40 : 16,318.43 = 6,519.71 : x
  2. Step 2: Convert to fraction form
    11,824.40/16,318.43 = 6,519.71/x
  3. Step 3: Cross multiply
    11,824.40x = 16,318.43 × 6,519.71
  4. Step 4: Simplify right side
    11,824.40x = 106,391,463.90
  5. Step 5: Solve for x
    x = 106,391,463.90/11,824.40
  6. Step 6: Final answer
    x = 8,997.62

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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.