Home / 10,765.80-16,143.84-3,368.52

Finding the Fourth Proportional to 10,765.80, 16,143.84 and 3,368.52

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Solution

The fourth proportional to 10,765.80, 16,143.84 and 3,368.52 is: 5,051.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,765.80 : 16,143.84 = 3,368.52 : x
  2. Step 2: Convert to fraction form
    10,765.80/16,143.84 = 3,368.52/x
  3. Step 3: Cross multiply
    10,765.80x = 16,143.84 × 3,368.52
  4. Step 4: Simplify right side
    10,765.80x = 54,380,847.92
  5. Step 5: Solve for x
    x = 54,380,847.92/10,765.80
  6. Step 6: Final answer
    x = 5,051.26

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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.