Home / 13,190.32-19,784.96-3,329.48

Finding the Fourth Proportional to 13,190.32, 19,784.96 and 3,329.48

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Solution

The fourth proportional to 13,190.32, 19,784.96 and 3,329.48 is: 4,994.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190.32 : 19,784.96 = 3,329.48 : x
  2. Step 2: Convert to fraction form
    13,190.32/19,784.96 = 3,329.48/x
  3. Step 3: Cross multiply
    13,190.32x = 19,784.96 × 3,329.48
  4. Step 4: Simplify right side
    13,190.32x = 65,873,628.62
  5. Step 5: Solve for x
    x = 65,873,628.62/13,190.32
  6. Step 6: Final answer
    x = 4,994.09

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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.