Home / 11,684.26-16,123.66-6,378.05

Finding the Fourth Proportional to 11,684.26, 16,123.66 and 6,378.05

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Solution

The fourth proportional to 11,684.26, 16,123.66 and 6,378.05 is: 8,801.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,684.26 : 16,123.66 = 6,378.05 : x
  2. Step 2: Convert to fraction form
    11,684.26/16,123.66 = 6,378.05/x
  3. Step 3: Cross multiply
    11,684.26x = 16,123.66 × 6,378.05
  4. Step 4: Simplify right side
    11,684.26x = 102,837,509.66
  5. Step 5: Solve for x
    x = 102,837,509.66/11,684.26
  6. Step 6: Final answer
    x = 8,801.37

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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.