Home / 11,211.87-16,819.02-4,195.23

Finding the Fourth Proportional to 11,211.87, 16,819.02 and 4,195.23

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Solution

The fourth proportional to 11,211.87, 16,819.02 and 4,195.23 is: 6,293.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.87 : 16,819.02 = 4,195.23 : x
  2. Step 2: Convert to fraction form
    11,211.87/16,819.02 = 4,195.23/x
  3. Step 3: Cross multiply
    11,211.87x = 16,819.02 × 4,195.23
  4. Step 4: Simplify right side
    11,211.87x = 70,559,657.27
  5. Step 5: Solve for x
    x = 70,559,657.27/11,211.87
  6. Step 6: Final answer
    x = 6,293.30

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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.