Home / 12,262.29-18,393.60-3,497.21

Finding the Fourth Proportional to 12,262.29, 18,393.60 and 3,497.21

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Solution

The fourth proportional to 12,262.29, 18,393.60 and 3,497.21 is: 5,245.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262.29 : 18,393.60 = 3,497.21 : x
  2. Step 2: Convert to fraction form
    12,262.29/18,393.60 = 3,497.21/x
  3. Step 3: Cross multiply
    12,262.29x = 18,393.60 × 3,497.21
  4. Step 4: Simplify right side
    12,262.29x = 64,326,189.89
  5. Step 5: Solve for x
    x = 64,326,189.89/12,262.29
  6. Step 6: Final answer
    x = 5,245.85

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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.