Home / 16,282.13-22,469.33-9,208.40

Finding the Fourth Proportional to 16,282.13, 22,469.33 and 9,208.40

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Solution

The fourth proportional to 16,282.13, 22,469.33 and 9,208.40 is: 12,707.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,282.13 : 22,469.33 = 9,208.40 : x
  2. Step 2: Convert to fraction form
    16,282.13/22,469.33 = 9,208.40/x
  3. Step 3: Cross multiply
    16,282.13x = 22,469.33 × 9,208.40
  4. Step 4: Simplify right side
    16,282.13x = 206,906,489.05
  5. Step 5: Solve for x
    x = 206,906,489.05/16,282.13
  6. Step 6: Final answer
    x = 12,707.59

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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.