Home / 10,806.06-16,214.22-5,611.92

Finding the Fourth Proportional to 10,806.06, 16,214.22 and 5,611.92

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Solution

The fourth proportional to 10,806.06, 16,214.22 and 5,611.92 is: 8,420.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806.06 : 16,214.22 = 5,611.92 : x
  2. Step 2: Convert to fraction form
    10,806.06/16,214.22 = 5,611.92/x
  3. Step 3: Cross multiply
    10,806.06x = 16,214.22 × 5,611.92
  4. Step 4: Simplify right side
    10,806.06x = 90,992,905.50
  5. Step 5: Solve for x
    x = 90,992,905.50/10,806.06
  6. Step 6: Final answer
    x = 8,420.54

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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.