Home / 19,839.62-27,377.43-11,342.31

Finding the Fourth Proportional to 19,839.62, 27,377.43 and 11,342.31

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Solution

The fourth proportional to 19,839.62, 27,377.43 and 11,342.31 is: 15,651.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839.62 : 27,377.43 = 11,342.31 : x
  2. Step 2: Convert to fraction form
    19,839.62/27,377.43 = 11,342.31/x
  3. Step 3: Cross multiply
    19,839.62x = 27,377.43 × 11,342.31
  4. Step 4: Simplify right side
    19,839.62x = 310,523,298.06
  5. Step 5: Solve for x
    x = 310,523,298.06/19,839.62
  6. Step 6: Final answer
    x = 15,651.68

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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.