Home / 19,839.42-27,378.38-11,341.73

Finding the Fourth Proportional to 19,839.42, 27,378.38 and 11,341.73

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Solution

The fourth proportional to 19,839.42, 27,378.38 and 11,341.73 is: 15,651.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839.42 : 27,378.38 = 11,341.73 : x
  2. Step 2: Convert to fraction form
    19,839.42/27,378.38 = 11,341.73/x
  3. Step 3: Cross multiply
    19,839.42x = 27,378.38 × 11,341.73
  4. Step 4: Simplify right side
    19,839.42x = 310,518,028.55
  5. Step 5: Solve for x
    x = 310,518,028.55/19,839.42
  6. Step 6: Final answer
    x = 15,651.57

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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.