Home / 11,688.44-16,129.33-6,382.94

Finding the Fourth Proportional to 11,688.44, 16,129.33 and 6,382.94

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Solution

The fourth proportional to 11,688.44, 16,129.33 and 6,382.94 is: 8,808.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.44 : 16,129.33 = 6,382.94 : x
  2. Step 2: Convert to fraction form
    11,688.44/16,129.33 = 6,382.94/x
  3. Step 3: Cross multiply
    11,688.44x = 16,129.33 × 6,382.94
  4. Step 4: Simplify right side
    11,688.44x = 102,952,449.03
  5. Step 5: Solve for x
    x = 102,952,449.03/11,688.44
  6. Step 6: Final answer
    x = 8,808.06

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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.