Home / 12,944.49-17,841.88-9,162.80

Finding the Fourth Proportional to 12,944.49, 17,841.88 and 9,162.80

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Solution

The fourth proportional to 12,944.49, 17,841.88 and 9,162.80 is: 12,629.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944.49 : 17,841.88 = 9,162.80 : x
  2. Step 2: Convert to fraction form
    12,944.49/17,841.88 = 9,162.80/x
  3. Step 3: Cross multiply
    12,944.49x = 17,841.88 × 9,162.80
  4. Step 4: Simplify right side
    12,944.49x = 163,481,578.06
  5. Step 5: Solve for x
    x = 163,481,578.06/12,944.49
  6. Step 6: Final answer
    x = 12,629.43

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1.5x scale

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.