Home / 12,944.98-17,863.82-7,279.80

Finding the Fourth Proportional to 12,944.98, 17,863.82 and 7,279.80

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Solution

The fourth proportional to 12,944.98, 17,863.82 and 7,279.80 is: 10,045.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944.98 : 17,863.82 = 7,279.80 : x
  2. Step 2: Convert to fraction form
    12,944.98/17,863.82 = 7,279.80/x
  3. Step 3: Cross multiply
    12,944.98x = 17,863.82 × 7,279.80
  4. Step 4: Simplify right side
    12,944.98x = 130,045,036.84
  5. Step 5: Solve for x
    x = 130,045,036.84/12,944.98
  6. Step 6: Final answer
    x = 10,045.98

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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.