Home / 18,080.82-27,116.98-10,186.76

Finding the Fourth Proportional to 18,080.82, 27,116.98 and 10,186.76

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Solution

The fourth proportional to 18,080.82, 27,116.98 and 10,186.76 is: 15,277.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,080.82 : 27,116.98 = 10,186.76 : x
  2. Step 2: Convert to fraction form
    18,080.82/27,116.98 = 10,186.76/x
  3. Step 3: Cross multiply
    18,080.82x = 27,116.98 × 10,186.76
  4. Step 4: Simplify right side
    18,080.82x = 276,234,209.51
  5. Step 5: Solve for x
    x = 276,234,209.51/18,080.82
  6. Step 6: Final answer
    x = 15,277.75

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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.