Home / 11,723.86-17,585.80-3,938.14

Finding the Fourth Proportional to 11,723.86, 17,585.80 and 3,938.14

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Solution

The fourth proportional to 11,723.86, 17,585.80 and 3,938.14 is: 5,907.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723.86 : 17,585.80 = 3,938.14 : x
  2. Step 2: Convert to fraction form
    11,723.86/17,585.80 = 3,938.14/x
  3. Step 3: Cross multiply
    11,723.86x = 17,585.80 × 3,938.14
  4. Step 4: Simplify right side
    11,723.86x = 69,255,342.41
  5. Step 5: Solve for x
    x = 69,255,342.41/11,723.86
  6. Step 6: Final answer
    x = 5,907.21

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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.