Home / 10,919.82-15,069.37-6,205.01

Finding the Fourth Proportional to 10,919.82, 15,069.37 and 6,205.01

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Solution

The fourth proportional to 10,919.82, 15,069.37 and 6,205.01 is: 8,562.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919.82 : 15,069.37 = 6,205.01 : x
  2. Step 2: Convert to fraction form
    10,919.82/15,069.37 = 6,205.01/x
  3. Step 3: Cross multiply
    10,919.82x = 15,069.37 × 6,205.01
  4. Step 4: Simplify right side
    10,919.82x = 93,505,613.70
  5. Step 5: Solve for x
    x = 93,505,613.70/10,919.82
  6. Step 6: Final answer
    x = 8,562.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.