Home / 11,212.87-16,820.52-4,196.23

Finding the Fourth Proportional to 11,212.87, 16,820.52 and 4,196.23

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Solution

The fourth proportional to 11,212.87, 16,820.52 and 4,196.23 is: 6,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.87 : 16,820.52 = 4,196.23 : x
  2. Step 2: Convert to fraction form
    11,212.87/16,820.52 = 4,196.23/x
  3. Step 3: Cross multiply
    11,212.87x = 16,820.52 × 4,196.23
  4. Step 4: Simplify right side
    11,212.87x = 70,582,770.64
  5. Step 5: Solve for x
    x = 70,582,770.64/11,212.87
  6. Step 6: Final answer
    x = 6,294.80

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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.