Home / 10,775.28-16,162.92-3,380.33

Finding the Fourth Proportional to 10,775.28, 16,162.92 and 3,380.33

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Solution

The fourth proportional to 10,775.28, 16,162.92 and 3,380.33 is: 5,070.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,775.28 : 16,162.92 = 3,380.33 : x
  2. Step 2: Convert to fraction form
    10,775.28/16,162.92 = 3,380.33/x
  3. Step 3: Cross multiply
    10,775.28x = 16,162.92 × 3,380.33
  4. Step 4: Simplify right side
    10,775.28x = 54,636,003.36
  5. Step 5: Solve for x
    x = 54,636,003.36/10,775.28
  6. Step 6: Final answer
    x = 5,070.50

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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.