Home / 15,379.97-23,057.45-6,489.56

Finding the Fourth Proportional to 15,379.97, 23,057.45 and 6,489.56

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Solution

The fourth proportional to 15,379.97, 23,057.45 and 6,489.56 is: 9,729.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,379.97 : 23,057.45 = 6,489.56 : x
  2. Step 2: Convert to fraction form
    15,379.97/23,057.45 = 6,489.56/x
  3. Step 3: Cross multiply
    15,379.97x = 23,057.45 × 6,489.56
  4. Step 4: Simplify right side
    15,379.97x = 149,632,705.22
  5. Step 5: Solve for x
    x = 149,632,705.22/15,379.97
  6. Step 6: Final answer
    x = 9,729.06

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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.