Home / 11,479.83-17,217.48-3,157.71

Finding the Fourth Proportional to 11,479.83, 17,217.48 and 3,157.71

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Solution

The fourth proportional to 11,479.83, 17,217.48 and 3,157.71 is: 4,735.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.83 : 17,217.48 = 3,157.71 : x
  2. Step 2: Convert to fraction form
    11,479.83/17,217.48 = 3,157.71/x
  3. Step 3: Cross multiply
    11,479.83x = 17,217.48 × 3,157.71
  4. Step 4: Simplify right side
    11,479.83x = 54,367,808.77
  5. Step 5: Solve for x
    x = 54,367,808.77/11,479.83
  6. Step 6: Final answer
    x = 4,735.94

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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.