Home / 9,194.75-12,690.17-5,215.02

Finding the Fourth Proportional to 9,194.75, 12,690.17 and 5,215.02

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Solution

The fourth proportional to 9,194.75, 12,690.17 and 5,215.02 is: 7,197.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,194.75 : 12,690.17 = 5,215.02 : x
  2. Step 2: Convert to fraction form
    9,194.75/12,690.17 = 5,215.02/x
  3. Step 3: Cross multiply
    9,194.75x = 12,690.17 × 5,215.02
  4. Step 4: Simplify right side
    9,194.75x = 66,179,436.25
  5. Step 5: Solve for x
    x = 66,179,436.25/9,194.75
  6. Step 6: Final answer
    x = 7,197.53

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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.