Home / 13,039.74-19,559.61-3,805.74

Finding the Fourth Proportional to 13,039.74, 19,559.61 and 3,805.74

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Solution

The fourth proportional to 13,039.74, 19,559.61 and 3,805.74 is: 5,708.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039.74 : 19,559.61 = 3,805.74 : x
  2. Step 2: Convert to fraction form
    13,039.74/19,559.61 = 3,805.74/x
  3. Step 3: Cross multiply
    13,039.74x = 19,559.61 × 3,805.74
  4. Step 4: Simplify right side
    13,039.74x = 74,438,790.16
  5. Step 5: Solve for x
    x = 74,438,790.16/13,039.74
  6. Step 6: Final answer
    x = 5,708.61

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Similar ratio
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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.