Home / 14,279.98-21,419.97-3,893.26

Finding the Fourth Proportional to 14,279.98, 21,419.97 and 3,893.26

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Solution

The fourth proportional to 14,279.98, 21,419.97 and 3,893.26 is: 5,839.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279.98 : 21,419.97 = 3,893.26 : x
  2. Step 2: Convert to fraction form
    14,279.98/21,419.97 = 3,893.26/x
  3. Step 3: Cross multiply
    14,279.98x = 21,419.97 × 3,893.26
  4. Step 4: Simplify right side
    14,279.98x = 83,393,512.40
  5. Step 5: Solve for x
    x = 83,393,512.40/14,279.98
  6. Step 6: Final answer
    x = 5,839.89

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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.