Home / 11,717.54-17,575.85-4,318.80

Finding the Fourth Proportional to 11,717.54, 17,575.85 and 4,318.80

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Solution

The fourth proportional to 11,717.54, 17,575.85 and 4,318.80 is: 6,478.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.54 : 17,575.85 = 4,318.80 : x
  2. Step 2: Convert to fraction form
    11,717.54/17,575.85 = 4,318.80/x
  3. Step 3: Cross multiply
    11,717.54x = 17,575.85 × 4,318.80
  4. Step 4: Simplify right side
    11,717.54x = 75,906,525.87
  5. Step 5: Solve for x
    x = 75,906,525.87/11,717.54
  6. Step 6: Final answer
    x = 6,478.03

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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.