Home / 13,185.80-19,773.93-4,418.69

Finding the Fourth Proportional to 13,185.80, 19,773.93 and 4,418.69

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Solution

The fourth proportional to 13,185.80, 19,773.93 and 4,418.69 is: 6,626.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,185.80 : 19,773.93 = 4,418.69 : x
  2. Step 2: Convert to fraction form
    13,185.80/19,773.93 = 4,418.69/x
  3. Step 3: Cross multiply
    13,185.80x = 19,773.93 × 4,418.69
  4. Step 4: Simplify right side
    13,185.80x = 87,374,866.75
  5. Step 5: Solve for x
    x = 87,374,866.75/13,185.80
  6. Step 6: Final answer
    x = 6,626.44

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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.