Home / 12,207.26-18,310.80-3,442.14

Finding the Fourth Proportional to 12,207.26, 18,310.80 and 3,442.14

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Solution

The fourth proportional to 12,207.26, 18,310.80 and 3,442.14 is: 5,163.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,207.26 : 18,310.80 = 3,442.14 : x
  2. Step 2: Convert to fraction form
    12,207.26/18,310.80 = 3,442.14/x
  3. Step 3: Cross multiply
    12,207.26x = 18,310.80 × 3,442.14
  4. Step 4: Simplify right side
    12,207.26x = 63,028,337.11
  5. Step 5: Solve for x
    x = 63,028,337.11/12,207.26
  6. Step 6: Final answer
    x = 5,163.18

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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.