Home / 11,135.80-15,367.42-6,167.80

Finding the Fourth Proportional to 11,135.80, 15,367.42 and 6,167.80

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Solution

The fourth proportional to 11,135.80, 15,367.42 and 6,167.80 is: 8,511.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.80 : 15,367.42 = 6,167.80 : x
  2. Step 2: Convert to fraction form
    11,135.80/15,367.42 = 6,167.80/x
  3. Step 3: Cross multiply
    11,135.80x = 15,367.42 × 6,167.80
  4. Step 4: Simplify right side
    11,135.80x = 94,783,173.08
  5. Step 5: Solve for x
    x = 94,783,173.08/11,135.80
  6. Step 6: Final answer
    x = 8,511.57

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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.