Home / 20,097.93-27,734.85-11,145.45

Finding the Fourth Proportional to 20,097.93, 27,734.85 and 11,145.45

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Solution

The fourth proportional to 20,097.93, 27,734.85 and 11,145.45 is: 15,380.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,097.93 : 27,734.85 = 11,145.45 : x
  2. Step 2: Convert to fraction form
    20,097.93/27,734.85 = 11,145.45/x
  3. Step 3: Cross multiply
    20,097.93x = 27,734.85 × 11,145.45
  4. Step 4: Simplify right side
    20,097.93x = 309,117,383.93
  5. Step 5: Solve for x
    x = 309,117,383.93/20,097.93
  6. Step 6: Final answer
    x = 15,380.56

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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.