Home / 12,997.08-19,489.14-4,229.64

Finding the Fourth Proportional to 12,997.08, 19,489.14 and 4,229.64

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Solution

The fourth proportional to 12,997.08, 19,489.14 and 4,229.64 is: 6,342.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997.08 : 19,489.14 = 4,229.64 : x
  2. Step 2: Convert to fraction form
    12,997.08/19,489.14 = 4,229.64/x
  3. Step 3: Cross multiply
    12,997.08x = 19,489.14 × 4,229.64
  4. Step 4: Simplify right side
    12,997.08x = 82,432,046.11
  5. Step 5: Solve for x
    x = 82,432,046.11/12,997.08
  6. Step 6: Final answer
    x = 6,342.35

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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.