Home / 11,629.80-17,407.26-8,124.12

Finding the Fourth Proportional to 11,629.80, 17,407.26 and 8,124.12

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Solution

The fourth proportional to 11,629.80, 17,407.26 and 8,124.12 is: 12,160.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,629.80 : 17,407.26 = 8,124.12 : x
  2. Step 2: Convert to fraction form
    11,629.80/17,407.26 = 8,124.12/x
  3. Step 3: Cross multiply
    11,629.80x = 17,407.26 × 8,124.12
  4. Step 4: Simplify right side
    11,629.80x = 141,418,669.11
  5. Step 5: Solve for x
    x = 141,418,669.11/11,629.80
  6. Step 6: Final answer
    x = 12,160.03

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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.