Home / 10,910.70-16,362.45-3,984.30

Finding the Fourth Proportional to 10,910.70, 16,362.45 and 3,984.30

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Solution

The fourth proportional to 10,910.70, 16,362.45 and 3,984.30 is: 5,975.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,910.70 : 16,362.45 = 3,984.30 : x
  2. Step 2: Convert to fraction form
    10,910.70/16,362.45 = 3,984.30/x
  3. Step 3: Cross multiply
    10,910.70x = 16,362.45 × 3,984.30
  4. Step 4: Simplify right side
    10,910.70x = 65,192,909.54
  5. Step 5: Solve for x
    x = 65,192,909.54/10,910.70
  6. Step 6: Final answer
    x = 5,975.14

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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.