Home / 11,896.71-16,417.61-6,519.30

Finding the Fourth Proportional to 11,896.71, 16,417.61 and 6,519.30

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Solution

The fourth proportional to 11,896.71, 16,417.61 and 6,519.30 is: 8,996.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,896.71 : 16,417.61 = 6,519.30 : x
  2. Step 2: Convert to fraction form
    11,896.71/16,417.61 = 6,519.30/x
  3. Step 3: Cross multiply
    11,896.71x = 16,417.61 × 6,519.30
  4. Step 4: Simplify right side
    11,896.71x = 107,031,292.28
  5. Step 5: Solve for x
    x = 107,031,292.28/11,896.71
  6. Step 6: Final answer
    x = 8,996.71

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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.