Home / 11,824.99-16,319.19-6,519.78

Finding the Fourth Proportional to 11,824.99, 16,319.19 and 6,519.78

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Solution

The fourth proportional to 11,824.99, 16,319.19 and 6,519.78 is: 8,997.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,824.99 : 16,319.19 = 6,519.78 : x
  2. Step 2: Convert to fraction form
    11,824.99/16,319.19 = 6,519.78/x
  3. Step 3: Cross multiply
    11,824.99x = 16,319.19 × 6,519.78
  4. Step 4: Simplify right side
    11,824.99x = 106,397,528.58
  5. Step 5: Solve for x
    x = 106,397,528.58/11,824.99
  6. Step 6: Final answer
    x = 8,997.68

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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.