Home / 15,182.92-20,952.21-8,469.01

Finding the Fourth Proportional to 15,182.92, 20,952.21 and 8,469.01

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Solution

The fourth proportional to 15,182.92, 20,952.21 and 8,469.01 is: 11,687.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,182.92 : 20,952.21 = 8,469.01 : x
  2. Step 2: Convert to fraction form
    15,182.92/20,952.21 = 8,469.01/x
  3. Step 3: Cross multiply
    15,182.92x = 20,952.21 × 8,469.01
  4. Step 4: Simplify right side
    15,182.92x = 177,444,476.01
  5. Step 5: Solve for x
    x = 177,444,476.01/15,182.92
  6. Step 6: Final answer
    x = 11,687.11

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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.