Home / 19,942.52-27,519.82-11,438.74

Finding the Fourth Proportional to 19,942.52, 27,519.82 and 11,438.74

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Solution

The fourth proportional to 19,942.52, 27,519.82 and 11,438.74 is: 15,784.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.52 : 27,519.82 = 11,438.74 : x
  2. Step 2: Convert to fraction form
    19,942.52/27,519.82 = 11,438.74/x
  3. Step 3: Cross multiply
    19,942.52x = 27,519.82 × 11,438.74
  4. Step 4: Simplify right side
    19,942.52x = 314,792,065.83
  5. Step 5: Solve for x
    x = 314,792,065.83/19,942.52
  6. Step 6: Final answer
    x = 15,784.97

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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.