Home / 13,743.19-20,613.75-4,382.83

Finding the Fourth Proportional to 13,743.19, 20,613.75 and 4,382.83

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Solution

The fourth proportional to 13,743.19, 20,613.75 and 4,382.83 is: 6,573.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743.19 : 20,613.75 = 4,382.83 : x
  2. Step 2: Convert to fraction form
    13,743.19/20,613.75 = 4,382.83/x
  3. Step 3: Cross multiply
    13,743.19x = 20,613.75 × 4,382.83
  4. Step 4: Simplify right side
    13,743.19x = 90,346,540.00
  5. Step 5: Solve for x
    x = 90,346,540.00/13,743.19
  6. Step 6: Final answer
    x = 6,573.91

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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.