Home / 12,743.96-17,588.22-8,028.16

Finding the Fourth Proportional to 12,743.96, 17,588.22 and 8,028.16

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Solution

The fourth proportional to 12,743.96, 17,588.22 and 8,028.16 is: 11,079.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,743.96 : 17,588.22 = 8,028.16 : x
  2. Step 2: Convert to fraction form
    12,743.96/17,588.22 = 8,028.16/x
  3. Step 3: Cross multiply
    12,743.96x = 17,588.22 × 8,028.16
  4. Step 4: Simplify right side
    12,743.96x = 141,201,044.28
  5. Step 5: Solve for x
    x = 141,201,044.28/12,743.96
  6. Step 6: Final answer
    x = 11,079.84

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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.