Home / 12,241.80-18,355.40-8,297.91

Finding the Fourth Proportional to 12,241.80, 18,355.40 and 8,297.91

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Solution

The fourth proportional to 12,241.80, 18,355.40 and 8,297.91 is: 12,441.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241.80 : 18,355.40 = 8,297.91 : x
  2. Step 2: Convert to fraction form
    12,241.80/18,355.40 = 8,297.91/x
  3. Step 3: Cross multiply
    12,241.80x = 18,355.40 × 8,297.91
  4. Step 4: Simplify right side
    12,241.80x = 152,311,323.95
  5. Step 5: Solve for x
    x = 152,311,323.95/12,241.80
  6. Step 6: Final answer
    x = 12,441.91

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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.