Home / 11,723.30-16,179.46-6,688.77

Finding the Fourth Proportional to 11,723.30, 16,179.46 and 6,688.77

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Solution

The fourth proportional to 11,723.30, 16,179.46 and 6,688.77 is: 9,231.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723.30 : 16,179.46 = 6,688.77 : x
  2. Step 2: Convert to fraction form
    11,723.30/16,179.46 = 6,688.77/x
  3. Step 3: Cross multiply
    11,723.30x = 16,179.46 × 6,688.77
  4. Step 4: Simplify right side
    11,723.30x = 108,220,609.27
  5. Step 5: Solve for x
    x = 108,220,609.27/11,723.30
  6. Step 6: Final answer
    x = 9,231.24

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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.