Home / 9,194.98-12,689.70-5,216.12

Finding the Fourth Proportional to 9,194.98, 12,689.70 and 5,216.12

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Solution

The fourth proportional to 9,194.98, 12,689.70 and 5,216.12 is: 7,198.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,194.98 : 12,689.70 = 5,216.12 : x
  2. Step 2: Convert to fraction form
    9,194.98/12,689.70 = 5,216.12/x
  3. Step 3: Cross multiply
    9,194.98x = 12,689.70 × 5,216.12
  4. Step 4: Simplify right side
    9,194.98x = 66,190,997.96
  5. Step 5: Solve for x
    x = 66,190,997.96/9,194.98
  6. Step 6: Final answer
    x = 7,198.60

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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.