Home / 13,375.56-20,064.59-3,514.84

Finding the Fourth Proportional to 13,375.56, 20,064.59 and 3,514.84

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Solution

The fourth proportional to 13,375.56, 20,064.59 and 3,514.84 is: 5,272.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375.56 : 20,064.59 = 3,514.84 : x
  2. Step 2: Convert to fraction form
    13,375.56/20,064.59 = 3,514.84/x
  3. Step 3: Cross multiply
    13,375.56x = 20,064.59 × 3,514.84
  4. Step 4: Simplify right side
    13,375.56x = 70,523,871.94
  5. Step 5: Solve for x
    x = 70,523,871.94/13,375.56
  6. Step 6: Final answer
    x = 5,272.59

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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.