Home / 11,710.83-17,566.14-3,919.56

Finding the Fourth Proportional to 11,710.83, 17,566.14 and 3,919.56

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Solution

The fourth proportional to 11,710.83, 17,566.14 and 3,919.56 is: 5,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,710.83 : 17,566.14 = 3,919.56 : x
  2. Step 2: Convert to fraction form
    11,710.83/17,566.14 = 3,919.56/x
  3. Step 3: Cross multiply
    11,710.83x = 17,566.14 × 3,919.56
  4. Step 4: Simplify right side
    11,710.83x = 68,851,539.70
  5. Step 5: Solve for x
    x = 68,851,539.70/11,710.83
  6. Step 6: Final answer
    x = 5,879.30

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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.