Home / 19,965.39-27,552.44-11,013.21

Finding the Fourth Proportional to 19,965.39, 27,552.44 and 11,013.21

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Solution

The fourth proportional to 19,965.39, 27,552.44 and 11,013.21 is: 15,198.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,965.39 : 27,552.44 = 11,013.21 : x
  2. Step 2: Convert to fraction form
    19,965.39/27,552.44 = 11,013.21/x
  3. Step 3: Cross multiply
    19,965.39x = 27,552.44 × 11,013.21
  4. Step 4: Simplify right side
    19,965.39x = 303,440,752.67
  5. Step 5: Solve for x
    x = 303,440,752.67/19,965.39
  6. Step 6: Final answer
    x = 15,198.34

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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.