Home / 13,309.58-19,965.57-3,448.82

Finding the Fourth Proportional to 13,309.58, 19,965.57 and 3,448.82

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Solution

The fourth proportional to 13,309.58, 19,965.57 and 3,448.82 is: 5,173.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309.58 : 19,965.57 = 3,448.82 : x
  2. Step 2: Convert to fraction form
    13,309.58/19,965.57 = 3,448.82/x
  3. Step 3: Cross multiply
    13,309.58x = 19,965.57 × 3,448.82
  4. Step 4: Simplify right side
    13,309.58x = 68,857,657.13
  5. Step 5: Solve for x
    x = 68,857,657.13/13,309.58
  6. Step 6: Final answer
    x = 5,173.54

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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.