Home / 12,726.90-17,579.94-10,609.35

Finding the Fourth Proportional to 12,726.90, 17,579.94 and 10,609.35

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Solution

The fourth proportional to 12,726.90, 17,579.94 and 10,609.35 is: 14,654.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726.90 : 17,579.94 = 10,609.35 : x
  2. Step 2: Convert to fraction form
    12,726.90/17,579.94 = 10,609.35/x
  3. Step 3: Cross multiply
    12,726.90x = 17,579.94 × 10,609.35
  4. Step 4: Simplify right side
    12,726.90x = 186,511,736.44
  5. Step 5: Solve for x
    x = 186,511,736.44/12,726.90
  6. Step 6: Final answer
    x = 14,654.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.