Home / 19,949.56-27,530.31-10,997.71

Finding the Fourth Proportional to 19,949.56, 27,530.31 and 10,997.71

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Solution

The fourth proportional to 19,949.56, 27,530.31 and 10,997.71 is: 15,176.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,949.56 : 27,530.31 = 10,997.71 : x
  2. Step 2: Convert to fraction form
    19,949.56/27,530.31 = 10,997.71/x
  3. Step 3: Cross multiply
    19,949.56x = 27,530.31 × 10,997.71
  4. Step 4: Simplify right side
    19,949.56x = 302,770,338.01
  5. Step 5: Solve for x
    x = 302,770,338.01/19,949.56
  6. Step 6: Final answer
    x = 15,176.79

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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.