Home / 13,741.29-20,613.45-4,379.13

Finding the Fourth Proportional to 13,741.29, 20,613.45 and 4,379.13

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Solution

The fourth proportional to 13,741.29, 20,613.45 and 4,379.13 is: 6,569.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741.29 : 20,613.45 = 4,379.13 : x
  2. Step 2: Convert to fraction form
    13,741.29/20,613.45 = 4,379.13/x
  3. Step 3: Cross multiply
    13,741.29x = 20,613.45 × 4,379.13
  4. Step 4: Simplify right side
    13,741.29x = 90,268,977.30
  5. Step 5: Solve for x
    x = 90,268,977.30/13,741.29
  6. Step 6: Final answer
    x = 6,569.18

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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.