Home / 19,942.02-27,519.13-11,438.24

Finding the Fourth Proportional to 19,942.02, 27,519.13 and 11,438.24

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Solution

The fourth proportional to 19,942.02, 27,519.13 and 11,438.24 is: 15,784.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.02 : 27,519.13 = 11,438.24 : x
  2. Step 2: Convert to fraction form
    19,942.02/27,519.13 = 11,438.24/x
  3. Step 3: Cross multiply
    19,942.02x = 27,519.13 × 11,438.24
  4. Step 4: Simplify right side
    19,942.02x = 314,770,413.53
  5. Step 5: Solve for x
    x = 314,770,413.53/19,942.02
  6. Step 6: Final answer
    x = 15,784.28

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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.