Home / 10,806.28-16,209.72-3,015.09

Finding the Fourth Proportional to 10,806.28, 16,209.72 and 3,015.09

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Solution

The fourth proportional to 10,806.28, 16,209.72 and 3,015.09 is: 4,522.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806.28 : 16,209.72 = 3,015.09 : x
  2. Step 2: Convert to fraction form
    10,806.28/16,209.72 = 3,015.09/x
  3. Step 3: Cross multiply
    10,806.28x = 16,209.72 × 3,015.09
  4. Step 4: Simplify right side
    10,806.28x = 48,873,683.63
  5. Step 5: Solve for x
    x = 48,873,683.63/10,806.28
  6. Step 6: Final answer
    x = 4,522.71

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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.