Home / 13,741.30-20,613.46-4,379.14

Finding the Fourth Proportional to 13,741.30, 20,613.46 and 4,379.14

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Solution

The fourth proportional to 13,741.30, 20,613.46 and 4,379.14 is: 6,569.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741.30 : 20,613.46 = 4,379.14 : x
  2. Step 2: Convert to fraction form
    13,741.30/20,613.46 = 4,379.14/x
  3. Step 3: Cross multiply
    13,741.30x = 20,613.46 × 4,379.14
  4. Step 4: Simplify right side
    13,741.30x = 90,269,227.22
  5. Step 5: Solve for x
    x = 90,269,227.22/13,741.30
  6. Step 6: Final answer
    x = 6,569.19

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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.