Home / 19,956.38-27,539.99-11,004.18

Finding the Fourth Proportional to 19,956.38, 27,539.99 and 11,004.18

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Solution

The fourth proportional to 19,956.38, 27,539.99 and 11,004.18 is: 15,185.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.38 : 27,539.99 = 11,004.18 : x
  2. Step 2: Convert to fraction form
    19,956.38/27,539.99 = 11,004.18/x
  3. Step 3: Cross multiply
    19,956.38x = 27,539.99 × 11,004.18
  4. Step 4: Simplify right side
    19,956.38x = 303,054,952.11
  5. Step 5: Solve for x
    x = 303,054,952.11/19,956.38
  6. Step 6: Final answer
    x = 15,185.87

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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.