Home / 20,617.73-30,935.81-11,852.65

Finding the Fourth Proportional to 20,617.73, 30,935.81 and 11,852.65

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Solution

The fourth proportional to 20,617.73, 30,935.81 and 11,852.65 is: 17,784.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,617.73 : 30,935.81 = 11,852.65 : x
  2. Step 2: Convert to fraction form
    20,617.73/30,935.81 = 11,852.65/x
  3. Step 3: Cross multiply
    20,617.73x = 30,935.81 × 11,852.65
  4. Step 4: Simplify right side
    20,617.73x = 366,671,114.45
  5. Step 5: Solve for x
    x = 366,671,114.45/20,617.73
  6. Step 6: Final answer
    x = 17,784.27

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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.