Home / 19,759.70-27,268.72-11,802.62

Finding the Fourth Proportional to 19,759.70, 27,268.72 and 11,802.62

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Solution

The fourth proportional to 19,759.70, 27,268.72 and 11,802.62 is: 16,287.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759.70 : 27,268.72 = 11,802.62 : x
  2. Step 2: Convert to fraction form
    19,759.70/27,268.72 = 11,802.62/x
  3. Step 3: Cross multiply
    19,759.70x = 27,268.72 × 11,802.62
  4. Step 4: Simplify right side
    19,759.70x = 321,842,340.05
  5. Step 5: Solve for x
    x = 321,842,340.05/19,759.70
  6. Step 6: Final answer
    x = 16,287.82

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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.