Home / 18,432.45-27,647.75-6,744.75

Finding the Fourth Proportional to 18,432.45, 27,647.75 and 6,744.75

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Solution

The fourth proportional to 18,432.45, 27,647.75 and 6,744.75 is: 10,116.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432.45 : 27,647.75 = 6,744.75 : x
  2. Step 2: Convert to fraction form
    18,432.45/27,647.75 = 6,744.75/x
  3. Step 3: Cross multiply
    18,432.45x = 27,647.75 × 6,744.75
  4. Step 4: Simplify right side
    18,432.45x = 186,477,128.09
  5. Step 5: Solve for x
    x = 186,477,128.09/18,432.45
  6. Step 6: Final answer
    x = 10,116.78

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1.5x scale

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.