Home / 18,228.97-27,331.75-7,696.11

Finding the Fourth Proportional to 18,228.97, 27,331.75 and 7,696.11

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Solution

The fourth proportional to 18,228.97, 27,331.75 and 7,696.11 is: 11,539.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228.97 : 27,331.75 = 7,696.11 : x
  2. Step 2: Convert to fraction form
    18,228.97/27,331.75 = 7,696.11/x
  3. Step 3: Cross multiply
    18,228.97x = 27,331.75 × 7,696.11
  4. Step 4: Simplify right side
    18,228.97x = 210,348,154.49
  5. Step 5: Solve for x
    x = 210,348,154.49/18,228.97
  6. Step 6: Final answer
    x = 11,539.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.