Home / 13,310.14-19,936.58-6,279.60

Finding the Fourth Proportional to 13,310.14, 19,936.58 and 6,279.60

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Solution

The fourth proportional to 13,310.14, 19,936.58 and 6,279.60 is: 9,405.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310.14 : 19,936.58 = 6,279.60 : x
  2. Step 2: Convert to fraction form
    13,310.14/19,936.58 = 6,279.60/x
  3. Step 3: Cross multiply
    13,310.14x = 19,936.58 × 6,279.60
  4. Step 4: Simplify right side
    13,310.14x = 125,193,747.77
  5. Step 5: Solve for x
    x = 125,193,747.77/13,310.14
  6. Step 6: Final answer
    x = 9,405.89

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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.