Home / 13,554.36-20,331.54-3,693.24

Finding the Fourth Proportional to 13,554.36, 20,331.54 and 3,693.24

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Solution

The fourth proportional to 13,554.36, 20,331.54 and 3,693.24 is: 5,539.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.36 : 20,331.54 = 3,693.24 : x
  2. Step 2: Convert to fraction form
    13,554.36/20,331.54 = 3,693.24/x
  3. Step 3: Cross multiply
    13,554.36x = 20,331.54 × 3,693.24
  4. Step 4: Simplify right side
    13,554.36x = 75,089,256.79
  5. Step 5: Solve for x
    x = 75,089,256.79/13,554.36
  6. Step 6: Final answer
    x = 5,539.86

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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.