Home / 17,221.53-25,778.70-13,262.60

Finding the Fourth Proportional to 17,221.53, 25,778.70 and 13,262.60

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Solution

The fourth proportional to 17,221.53, 25,778.70 and 13,262.60 is: 19,852.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,221.53 : 25,778.70 = 13,262.60 : x
  2. Step 2: Convert to fraction form
    17,221.53/25,778.70 = 13,262.60/x
  3. Step 3: Cross multiply
    17,221.53x = 25,778.70 × 13,262.60
  4. Step 4: Simplify right side
    17,221.53x = 341,892,457.73
  5. Step 5: Solve for x
    x = 341,892,457.73/17,221.53
  6. Step 6: Final answer
    x = 19,852.62

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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.