Home / 12,361.70-18,542.36-3,001.80

Finding the Fourth Proportional to 12,361.70, 18,542.36 and 3,001.80

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Solution

The fourth proportional to 12,361.70, 18,542.36 and 3,001.80 is: 4,502.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,361.70 : 18,542.36 = 3,001.80 : x
  2. Step 2: Convert to fraction form
    12,361.70/18,542.36 = 3,001.80/x
  3. Step 3: Cross multiply
    12,361.70x = 18,542.36 × 3,001.80
  4. Step 4: Simplify right side
    12,361.70x = 55,660,441.24
  5. Step 5: Solve for x
    x = 55,660,441.24/12,361.70
  6. Step 6: Final answer
    x = 4,502.65

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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.