Home / 11,180.60-16,781.70-6,806.60

Finding the Fourth Proportional to 11,180.60, 16,781.70 and 6,806.60

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Solution

The fourth proportional to 11,180.60, 16,781.70 and 6,806.60 is: 10,216.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.60 : 16,781.70 = 6,806.60 : x
  2. Step 2: Convert to fraction form
    11,180.60/16,781.70 = 6,806.60/x
  3. Step 3: Cross multiply
    11,180.60x = 16,781.70 × 6,806.60
  4. Step 4: Simplify right side
    11,180.60x = 114,226,319.22
  5. Step 5: Solve for x
    x = 114,226,319.22/11,180.60
  6. Step 6: Final answer
    x = 10,216.47

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1.5x scale

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.