Home / 13,611.44-20,425.04-5,713.26

Finding the Fourth Proportional to 13,611.44, 20,425.04 and 5,713.26

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Solution

The fourth proportional to 13,611.44, 20,425.04 and 5,713.26 is: 8,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,611.44 : 20,425.04 = 5,713.26 : x
  2. Step 2: Convert to fraction form
    13,611.44/20,425.04 = 5,713.26/x
  3. Step 3: Cross multiply
    13,611.44x = 20,425.04 × 5,713.26
  4. Step 4: Simplify right side
    13,611.44x = 116,693,564.03
  5. Step 5: Solve for x
    x = 116,693,564.03/13,611.44
  6. Step 6: Final answer
    x = 8,573.20

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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.