Home / 10,751.32-16,128.81-3,355.62

Finding the Fourth Proportional to 10,751.32, 16,128.81 and 3,355.62

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Solution

The fourth proportional to 10,751.32, 16,128.81 and 3,355.62 is: 5,033.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,751.32 : 16,128.81 = 3,355.62 : x
  2. Step 2: Convert to fraction form
    10,751.32/16,128.81 = 3,355.62/x
  3. Step 3: Cross multiply
    10,751.32x = 16,128.81 × 3,355.62
  4. Step 4: Simplify right side
    10,751.32x = 54,122,059.99
  5. Step 5: Solve for x
    x = 54,122,059.99/10,751.32
  6. Step 6: Final answer
    x = 5,033.99

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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.