Home / 18,511.42-27,754.76-10,195.32

Finding the Fourth Proportional to 18,511.42, 27,754.76 and 10,195.32

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Solution

The fourth proportional to 18,511.42, 27,754.76 and 10,195.32 is: 15,286.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,511.42 : 27,754.76 = 10,195.32 : x
  2. Step 2: Convert to fraction form
    18,511.42/27,754.76 = 10,195.32/x
  3. Step 3: Cross multiply
    18,511.42x = 27,754.76 × 10,195.32
  4. Step 4: Simplify right side
    18,511.42x = 282,968,659.72
  5. Step 5: Solve for x
    x = 282,968,659.72/18,511.42
  6. Step 6: Final answer
    x = 15,286.17

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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.