Home / 11,478.44-17,218.20-3,586.34

Finding the Fourth Proportional to 11,478.44, 17,218.20 and 3,586.34

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Solution

The fourth proportional to 11,478.44, 17,218.20 and 3,586.34 is: 5,379.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,478.44 : 17,218.20 = 3,586.34 : x
  2. Step 2: Convert to fraction form
    11,478.44/17,218.20 = 3,586.34/x
  3. Step 3: Cross multiply
    11,478.44x = 17,218.20 × 3,586.34
  4. Step 4: Simplify right side
    11,478.44x = 61,750,319.39
  5. Step 5: Solve for x
    x = 61,750,319.39/11,478.44
  6. Step 6: Final answer
    x = 5,379.68

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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.