Home / 11,824.91-16,319.12-6,520.22

Finding the Fourth Proportional to 11,824.91, 16,319.12 and 6,520.22

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Solution

The fourth proportional to 11,824.91, 16,319.12 and 6,520.22 is: 8,998.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,824.91 : 16,319.12 = 6,520.22 : x
  2. Step 2: Convert to fraction form
    11,824.91/16,319.12 = 6,520.22/x
  3. Step 3: Cross multiply
    11,824.91x = 16,319.12 × 6,520.22
  4. Step 4: Simplify right side
    11,824.91x = 106,404,171.01
  5. Step 5: Solve for x
    x = 106,404,171.01/11,824.91
  6. Step 6: Final answer
    x = 8,998.31

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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.