Home / 18,211.39-27,321.20-5,562.29

Finding the Fourth Proportional to 18,211.39, 27,321.20 and 5,562.29

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Solution

The fourth proportional to 18,211.39, 27,321.20 and 5,562.29 is: 8,344.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211.39 : 27,321.20 = 5,562.29 : x
  2. Step 2: Convert to fraction form
    18,211.39/27,321.20 = 5,562.29/x
  3. Step 3: Cross multiply
    18,211.39x = 27,321.20 × 5,562.29
  4. Step 4: Simplify right side
    18,211.39x = 151,968,437.55
  5. Step 5: Solve for x
    x = 151,968,437.55/18,211.39
  6. Step 6: Final answer
    x = 8,344.69

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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.