Home / 14,187.78-21,281.68-3,799.26

Finding the Fourth Proportional to 14,187.78, 21,281.68 and 3,799.26

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Solution

The fourth proportional to 14,187.78, 21,281.68 and 3,799.26 is: 5,698.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,187.78 : 21,281.68 = 3,799.26 : x
  2. Step 2: Convert to fraction form
    14,187.78/21,281.68 = 3,799.26/x
  3. Step 3: Cross multiply
    14,187.78x = 21,281.68 × 3,799.26
  4. Step 4: Simplify right side
    14,187.78x = 80,854,635.56
  5. Step 5: Solve for x
    x = 80,854,635.56/14,187.78
  6. Step 6: Final answer
    x = 5,698.89

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Similar ratio
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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.