Home / 10,287.54-15,433.47-3,361.50

Finding the Fourth Proportional to 10,287.54, 15,433.47 and 3,361.50

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Solution

The fourth proportional to 10,287.54, 15,433.47 and 3,361.50 is: 5,042.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287.54 : 15,433.47 = 3,361.50 : x
  2. Step 2: Convert to fraction form
    10,287.54/15,433.47 = 3,361.50/x
  3. Step 3: Cross multiply
    10,287.54x = 15,433.47 × 3,361.50
  4. Step 4: Simplify right side
    10,287.54x = 51,879,609.41
  5. Step 5: Solve for x
    x = 51,879,609.41/10,287.54
  6. Step 6: Final answer
    x = 5,042.96

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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.