Home / 20,097.87-27,735.72-11,146.22

Finding the Fourth Proportional to 20,097.87, 27,735.72 and 11,146.22

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Solution

The fourth proportional to 20,097.87, 27,735.72 and 11,146.22 is: 15,382.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,097.87 : 27,735.72 = 11,146.22 : x
  2. Step 2: Convert to fraction form
    20,097.87/27,735.72 = 11,146.22/x
  3. Step 3: Cross multiply
    20,097.87x = 27,735.72 × 11,146.22
  4. Step 4: Simplify right side
    20,097.87x = 309,148,360.51
  5. Step 5: Solve for x
    x = 309,148,360.51/20,097.87
  6. Step 6: Final answer
    x = 15,382.15

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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.