Home / 20,180.09-30,228.44-11,834.97

Finding the Fourth Proportional to 20,180.09, 30,228.44 and 11,834.97

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Solution

The fourth proportional to 20,180.09, 30,228.44 and 11,834.97 is: 17,728.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180.09 : 30,228.44 = 11,834.97 : x
  2. Step 2: Convert to fraction form
    20,180.09/30,228.44 = 11,834.97/x
  3. Step 3: Cross multiply
    20,180.09x = 30,228.44 × 11,834.97
  4. Step 4: Simplify right side
    20,180.09x = 357,752,787.13
  5. Step 5: Solve for x
    x = 357,752,787.13/20,180.09
  6. Step 6: Final answer
    x = 17,728.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.