Home / 13,175.80-19,765.26-4,408.76

Finding the Fourth Proportional to 13,175.80, 19,765.26 and 4,408.76

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Solution

The fourth proportional to 13,175.80, 19,765.26 and 4,408.76 is: 6,613.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.80 : 19,765.26 = 4,408.76 : x
  2. Step 2: Convert to fraction form
    13,175.80/19,765.26 = 4,408.76/x
  3. Step 3: Cross multiply
    13,175.80x = 19,765.26 × 4,408.76
  4. Step 4: Simplify right side
    13,175.80x = 87,140,287.68
  5. Step 5: Solve for x
    x = 87,140,287.68/13,175.80
  6. Step 6: Final answer
    x = 6,613.66

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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.