Home / 9,173.87-12,660.09-5,194.88

Finding the Fourth Proportional to 9,173.87, 12,660.09 and 5,194.88

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Solution

The fourth proportional to 9,173.87, 12,660.09 and 5,194.88 is: 7,169.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,173.87 : 12,660.09 = 5,194.88 : x
  2. Step 2: Convert to fraction form
    9,173.87/12,660.09 = 5,194.88/x
  3. Step 3: Cross multiply
    9,173.87x = 12,660.09 × 5,194.88
  4. Step 4: Simplify right side
    9,173.87x = 65,767,648.34
  5. Step 5: Solve for x
    x = 65,767,648.34/9,173.87
  6. Step 6: Final answer
    x = 7,169.02

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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.