Home / 12,649.26-18,967.62-4,326.92

Finding the Fourth Proportional to 12,649.26, 18,967.62 and 4,326.92

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Solution

The fourth proportional to 12,649.26, 18,967.62 and 4,326.92 is: 6,488.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,649.26 : 18,967.62 = 4,326.92 : x
  2. Step 2: Convert to fraction form
    12,649.26/18,967.62 = 4,326.92/x
  3. Step 3: Cross multiply
    12,649.26x = 18,967.62 × 4,326.92
  4. Step 4: Simplify right side
    12,649.26x = 82,071,374.33
  5. Step 5: Solve for x
    x = 82,071,374.33/12,649.26
  6. Step 6: Final answer
    x = 6,488.24

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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.