Home / 13,752.62-18,976.75-8,084.00

Finding the Fourth Proportional to 13,752.62, 18,976.75 and 8,084.00

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Solution

The fourth proportional to 13,752.62, 18,976.75 and 8,084.00 is: 11,154.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752.62 : 18,976.75 = 8,084.00 : x
  2. Step 2: Convert to fraction form
    13,752.62/18,976.75 = 8,084.00/x
  3. Step 3: Cross multiply
    13,752.62x = 18,976.75 × 8,084.00
  4. Step 4: Simplify right side
    13,752.62x = 153,408,074.23
  5. Step 5: Solve for x
    x = 153,408,074.23/13,752.62
  6. Step 6: Final answer
    x = 11,154.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.