Home / 19,947.50-27,519.84-11,446.55

Finding the Fourth Proportional to 19,947.50, 27,519.84 and 11,446.55

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Solution

The fourth proportional to 19,947.50, 27,519.84 and 11,446.55 is: 15,791.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947.50 : 27,519.84 = 11,446.55 : x
  2. Step 2: Convert to fraction form
    19,947.50/27,519.84 = 11,446.55/x
  3. Step 3: Cross multiply
    19,947.50x = 27,519.84 × 11,446.55
  4. Step 4: Simplify right side
    19,947.50x = 315,007,224.55
  5. Step 5: Solve for x
    x = 315,007,224.55/19,947.50
  6. Step 6: Final answer
    x = 15,791.81

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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.