Home / 11,724.10-16,179.26-6,418.92

Finding the Fourth Proportional to 11,724.10, 16,179.26 and 6,418.92

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Solution

The fourth proportional to 11,724.10, 16,179.26 and 6,418.92 is: 8,858.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,724.10 : 16,179.26 = 6,418.92 : x
  2. Step 2: Convert to fraction form
    11,724.10/16,179.26 = 6,418.92/x
  3. Step 3: Cross multiply
    11,724.10x = 16,179.26 × 6,418.92
  4. Step 4: Simplify right side
    11,724.10x = 103,853,421.86
  5. Step 5: Solve for x
    x = 103,853,421.86/11,724.10
  6. Step 6: Final answer
    x = 8,858.11

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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.