Home / 18,744.43-28,107.09-6,259.96

Finding the Fourth Proportional to 18,744.43, 28,107.09 and 6,259.96

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Solution

The fourth proportional to 18,744.43, 28,107.09 and 6,259.96 is: 9,386.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.43 : 28,107.09 = 6,259.96 : x
  2. Step 2: Convert to fraction form
    18,744.43/28,107.09 = 6,259.96/x
  3. Step 3: Cross multiply
    18,744.43x = 28,107.09 × 6,259.96
  4. Step 4: Simplify right side
    18,744.43x = 175,949,259.12
  5. Step 5: Solve for x
    x = 175,949,259.12/18,744.43
  6. Step 6: Final answer
    x = 9,386.75

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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.