Home / 11,479.80-17,228.34-7,773.24

Finding the Fourth Proportional to 11,479.80, 17,228.34 and 7,773.24

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Solution

The fourth proportional to 11,479.80, 17,228.34 and 7,773.24 is: 11,665.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.80 : 17,228.34 = 7,773.24 : x
  2. Step 2: Convert to fraction form
    11,479.80/17,228.34 = 7,773.24/x
  3. Step 3: Cross multiply
    11,479.80x = 17,228.34 × 7,773.24
  4. Step 4: Simplify right side
    11,479.80x = 133,920,021.62
  5. Step 5: Solve for x
    x = 133,920,021.62/11,479.80
  6. Step 6: Final answer
    x = 11,665.71

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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.