Home / 20,232.36-30,348.54-13,305.24

Finding the Fourth Proportional to 20,232.36, 30,348.54 and 13,305.24

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Solution

The fourth proportional to 20,232.36, 30,348.54 and 13,305.24 is: 19,957.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232.36 : 30,348.54 = 13,305.24 : x
  2. Step 2: Convert to fraction form
    20,232.36/30,348.54 = 13,305.24/x
  3. Step 3: Cross multiply
    20,232.36x = 30,348.54 × 13,305.24
  4. Step 4: Simplify right side
    20,232.36x = 403,794,608.35
  5. Step 5: Solve for x
    x = 403,794,608.35/20,232.36
  6. Step 6: Final answer
    x = 19,957.86

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Double scale
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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.