Home / 11,435.30-17,154.87-3,938.56

Finding the Fourth Proportional to 11,435.30, 17,154.87 and 3,938.56

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Solution

The fourth proportional to 11,435.30, 17,154.87 and 3,938.56 is: 5,908.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,435.30 : 17,154.87 = 3,938.56 : x
  2. Step 2: Convert to fraction form
    11,435.30/17,154.87 = 3,938.56/x
  3. Step 3: Cross multiply
    11,435.30x = 17,154.87 × 3,938.56
  4. Step 4: Simplify right side
    11,435.30x = 67,565,379.32
  5. Step 5: Solve for x
    x = 67,565,379.32/11,435.30
  6. Step 6: Final answer
    x = 5,908.49

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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.