Home / 11,841.09-17,760.27-9,879.21

Finding the Fourth Proportional to 11,841.09, 17,760.27 and 9,879.21

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Solution

The fourth proportional to 11,841.09, 17,760.27 and 9,879.21 is: 14,817.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,841.09 : 17,760.27 = 9,879.21 : x
  2. Step 2: Convert to fraction form
    11,841.09/17,760.27 = 9,879.21/x
  3. Step 3: Cross multiply
    11,841.09x = 17,760.27 × 9,879.21
  4. Step 4: Simplify right side
    11,841.09x = 175,457,436.99
  5. Step 5: Solve for x
    x = 175,457,436.99/11,841.09
  6. Step 6: Final answer
    x = 14,817.68

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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.