Home / 13,613.34-20,424.11-4,252.98

Finding the Fourth Proportional to 13,613.34, 20,424.11 and 4,252.98

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Solution

The fourth proportional to 13,613.34, 20,424.11 and 4,252.98 is: 6,380.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,613.34 : 20,424.11 = 4,252.98 : x
  2. Step 2: Convert to fraction form
    13,613.34/20,424.11 = 4,252.98/x
  3. Step 3: Cross multiply
    13,613.34x = 20,424.11 × 4,252.98
  4. Step 4: Simplify right side
    13,613.34x = 86,863,331.35
  5. Step 5: Solve for x
    x = 86,863,331.35/13,613.34
  6. Step 6: Final answer
    x = 6,380.75

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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.