Home / 13,458.22-20,186.52-5,023.09

Finding the Fourth Proportional to 13,458.22, 20,186.52 and 5,023.09

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Solution

The fourth proportional to 13,458.22, 20,186.52 and 5,023.09 is: 7,534.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458.22 : 20,186.52 = 5,023.09 : x
  2. Step 2: Convert to fraction form
    13,458.22/20,186.52 = 5,023.09/x
  3. Step 3: Cross multiply
    13,458.22x = 20,186.52 × 5,023.09
  4. Step 4: Simplify right side
    13,458.22x = 101,398,706.75
  5. Step 5: Solve for x
    x = 101,398,706.75/13,458.22
  6. Step 6: Final answer
    x = 7,534.33

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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.