Home / 10,412.82-15,619.98-3,016.80

Finding the Fourth Proportional to 10,412.82, 15,619.98 and 3,016.80

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Solution

The fourth proportional to 10,412.82, 15,619.98 and 3,016.80 is: 4,525.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.82 : 15,619.98 = 3,016.80 : x
  2. Step 2: Convert to fraction form
    10,412.82/15,619.98 = 3,016.80/x
  3. Step 3: Cross multiply
    10,412.82x = 15,619.98 × 3,016.80
  4. Step 4: Simplify right side
    10,412.82x = 47,122,355.66
  5. Step 5: Solve for x
    x = 47,122,355.66/10,412.82
  6. Step 6: Final answer
    x = 4,525.42

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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.