Home / 11,412.92-17,118.79-4,017.43

Finding the Fourth Proportional to 11,412.92, 17,118.79 and 4,017.43

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Solution

The fourth proportional to 11,412.92, 17,118.79 and 4,017.43 is: 6,025.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,412.92 : 17,118.79 = 4,017.43 : x
  2. Step 2: Convert to fraction form
    11,412.92/17,118.79 = 4,017.43/x
  3. Step 3: Cross multiply
    11,412.92x = 17,118.79 × 4,017.43
  4. Step 4: Simplify right side
    11,412.92x = 68,773,551.86
  5. Step 5: Solve for x
    x = 68,773,551.86/11,412.92
  6. Step 6: Final answer
    x = 6,025.94

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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.