Home / 11,723.91-16,179.02-6,418.62

Finding the Fourth Proportional to 11,723.91, 16,179.02 and 6,418.62

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Solution

The fourth proportional to 11,723.91, 16,179.02 and 6,418.62 is: 8,857.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723.91 : 16,179.02 = 6,418.62 : x
  2. Step 2: Convert to fraction form
    11,723.91/16,179.02 = 6,418.62/x
  3. Step 3: Cross multiply
    11,723.91x = 16,179.02 × 6,418.62
  4. Step 4: Simplify right side
    11,723.91x = 103,846,909.77
  5. Step 5: Solve for x
    x = 103,846,909.77/11,723.91
  6. Step 6: Final answer
    x = 8,857.70

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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.