Home / 13,578.03-20,367.05-3,717.23

Finding the Fourth Proportional to 13,578.03, 20,367.05 and 3,717.23

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Solution

The fourth proportional to 13,578.03, 20,367.05 and 3,717.23 is: 5,575.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,578.03 : 20,367.05 = 3,717.23 : x
  2. Step 2: Convert to fraction form
    13,578.03/20,367.05 = 3,717.23/x
  3. Step 3: Cross multiply
    13,578.03x = 20,367.05 × 3,717.23
  4. Step 4: Simplify right side
    13,578.03x = 75,708,888.85
  5. Step 5: Solve for x
    x = 75,708,888.85/13,578.03
  6. Step 6: Final answer
    x = 5,575.84

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Similar ratio
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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.