Home / 12,338.44-18,510.42-3,574.02

Finding the Fourth Proportional to 12,338.44, 18,510.42 and 3,574.02

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Solution

The fourth proportional to 12,338.44, 18,510.42 and 3,574.02 is: 5,361.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,338.44 : 18,510.42 = 3,574.02 : x
  2. Step 2: Convert to fraction form
    12,338.44/18,510.42 = 3,574.02/x
  3. Step 3: Cross multiply
    12,338.44x = 18,510.42 × 3,574.02
  4. Step 4: Simplify right side
    12,338.44x = 66,156,611.29
  5. Step 5: Solve for x
    x = 66,156,611.29/12,338.44
  6. Step 6: Final answer
    x = 5,361.83

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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.