Home / 17,219.89-25,770.86-11,960.83

Finding the Fourth Proportional to 17,219.89, 25,770.86 and 11,960.83

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Solution

The fourth proportional to 17,219.89, 25,770.86 and 11,960.83 is: 17,900.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,219.89 : 25,770.86 = 11,960.83 : x
  2. Step 2: Convert to fraction form
    17,219.89/25,770.86 = 11,960.83/x
  3. Step 3: Cross multiply
    17,219.89x = 25,770.86 × 11,960.83
  4. Step 4: Simplify right side
    17,219.89x = 308,240,909.94
  5. Step 5: Solve for x
    x = 308,240,909.94/17,219.89
  6. Step 6: Final answer
    x = 17,900.28

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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.