Home / 12,379.02-17,083.49-8,850.66

Finding the Fourth Proportional to 12,379.02, 17,083.49 and 8,850.66

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Solution

The fourth proportional to 12,379.02, 17,083.49 and 8,850.66 is: 12,214.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,379.02 : 17,083.49 = 8,850.66 : x
  2. Step 2: Convert to fraction form
    12,379.02/17,083.49 = 8,850.66/x
  3. Step 3: Cross multiply
    12,379.02x = 17,083.49 × 8,850.66
  4. Step 4: Simplify right side
    12,379.02x = 151,200,117.35
  5. Step 5: Solve for x
    x = 151,200,117.35/12,379.02
  6. Step 6: Final answer
    x = 12,214.22

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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.