Home / 10,809.09-16,213.68-3,017.88

Finding the Fourth Proportional to 10,809.09, 16,213.68 and 3,017.88

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Solution

The fourth proportional to 10,809.09, 16,213.68 and 3,017.88 is: 4,526.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.09 : 16,213.68 = 3,017.88 : x
  2. Step 2: Convert to fraction form
    10,809.09/16,213.68 = 3,017.88/x
  3. Step 3: Cross multiply
    10,809.09x = 16,213.68 × 3,017.88
  4. Step 4: Simplify right side
    10,809.09x = 48,930,940.60
  5. Step 5: Solve for x
    x = 48,930,940.60/10,809.09
  6. Step 6: Final answer
    x = 4,526.83

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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.