Home / 12,832.37-17,708.49-7,167.22

Finding the Fourth Proportional to 12,832.37, 17,708.49 and 7,167.22

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Solution

The fourth proportional to 12,832.37, 17,708.49 and 7,167.22 is: 9,890.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,832.37 : 17,708.49 = 7,167.22 : x
  2. Step 2: Convert to fraction form
    12,832.37/17,708.49 = 7,167.22/x
  3. Step 3: Cross multiply
    12,832.37x = 17,708.49 × 7,167.22
  4. Step 4: Simplify right side
    12,832.37x = 126,920,599.43
  5. Step 5: Solve for x
    x = 126,920,599.43/12,832.37
  6. Step 6: Final answer
    x = 9,890.66

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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.