Home / 11,719.12-17,578.75-4,793.62

Finding the Fourth Proportional to 11,719.12, 17,578.75 and 4,793.62

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Solution

The fourth proportional to 11,719.12, 17,578.75 and 4,793.62 is: 7,190.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.12 : 17,578.75 = 4,793.62 : x
  2. Step 2: Convert to fraction form
    11,719.12/17,578.75 = 4,793.62/x
  3. Step 3: Cross multiply
    11,719.12x = 17,578.75 × 4,793.62
  4. Step 4: Simplify right side
    11,719.12x = 84,265,847.58
  5. Step 5: Solve for x
    x = 84,265,847.58/11,719.12
  6. Step 6: Final answer
    x = 7,190.46

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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.