Home / 11,684.93-16,125.59-6,380.15

Finding the Fourth Proportional to 11,684.93, 16,125.59 and 6,380.15

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Solution

The fourth proportional to 11,684.93, 16,125.59 and 6,380.15 is: 8,804.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,684.93 : 16,125.59 = 6,380.15 : x
  2. Step 2: Convert to fraction form
    11,684.93/16,125.59 = 6,380.15/x
  3. Step 3: Cross multiply
    11,684.93x = 16,125.59 × 6,380.15
  4. Step 4: Simplify right side
    11,684.93x = 102,883,651.14
  5. Step 5: Solve for x
    x = 102,883,651.14/11,684.93
  6. Step 6: Final answer
    x = 8,804.82

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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.