Home / 9,194.46-12,687.36-5,215.50

Finding the Fourth Proportional to 9,194.46, 12,687.36 and 5,215.50

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Solution

The fourth proportional to 9,194.46, 12,687.36 and 5,215.50 is: 7,196.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,194.46 : 12,687.36 = 5,215.50 : x
  2. Step 2: Convert to fraction form
    9,194.46/12,687.36 = 5,215.50/x
  3. Step 3: Cross multiply
    9,194.46x = 12,687.36 × 5,215.50
  4. Step 4: Simplify right side
    9,194.46x = 66,170,926.08
  5. Step 5: Solve for x
    x = 66,170,926.08/9,194.46
  6. Step 6: Final answer
    x = 7,196.83

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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.