Home / 9,361.80-14,042.88-3,121.83

Finding the Fourth Proportional to 9,361.80, 14,042.88 and 3,121.83

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Solution

The fourth proportional to 9,361.80, 14,042.88 and 3,121.83 is: 4,682.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361.80 : 14,042.88 = 3,121.83 : x
  2. Step 2: Convert to fraction form
    9,361.80/14,042.88 = 3,121.83/x
  3. Step 3: Cross multiply
    9,361.80x = 14,042.88 × 3,121.83
  4. Step 4: Simplify right side
    9,361.80x = 43,839,484.07
  5. Step 5: Solve for x
    x = 43,839,484.07/9,361.80
  6. Step 6: Final answer
    x = 4,682.81

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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.