Home / 13,292.91-19,939.37-3,933.09

Finding the Fourth Proportional to 13,292.91, 19,939.37 and 3,933.09

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Solution

The fourth proportional to 13,292.91, 19,939.37 and 3,933.09 is: 5,899.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.91 : 19,939.37 = 3,933.09 : x
  2. Step 2: Convert to fraction form
    13,292.91/19,939.37 = 3,933.09/x
  3. Step 3: Cross multiply
    13,292.91x = 19,939.37 × 3,933.09
  4. Step 4: Simplify right side
    13,292.91x = 78,423,317.09
  5. Step 5: Solve for x
    x = 78,423,317.09/13,292.91
  6. Step 6: Final answer
    x = 5,899.64

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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.