Home / 11,207.93-16,811.87-6,766.47

Finding the Fourth Proportional to 11,207.93, 16,811.87 and 6,766.47

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Solution

The fourth proportional to 11,207.93, 16,811.87 and 6,766.47 is: 10,149.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.93 : 16,811.87 = 6,766.47 : x
  2. Step 2: Convert to fraction form
    11,207.93/16,811.87 = 6,766.47/x
  3. Step 3: Cross multiply
    11,207.93x = 16,811.87 × 6,766.47
  4. Step 4: Simplify right side
    11,207.93x = 113,756,980.17
  5. Step 5: Solve for x
    x = 113,756,980.17/11,207.93
  6. Step 6: Final answer
    x = 10,149.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.