Home / 21,625.90-29,843.96-12,066.64

Finding the Fourth Proportional to 21,625.90, 29,843.96 and 12,066.64

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Solution

The fourth proportional to 21,625.90, 29,843.96 and 12,066.64 is: 16,652.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,625.90 : 29,843.96 = 12,066.64 : x
  2. Step 2: Convert to fraction form
    21,625.90/29,843.96 = 12,066.64/x
  3. Step 3: Cross multiply
    21,625.90x = 29,843.96 × 12,066.64
  4. Step 4: Simplify right side
    21,625.90x = 360,116,351.66
  5. Step 5: Solve for x
    x = 360,116,351.66/21,625.90
  6. Step 6: Final answer
    x = 16,652.09

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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.