Home / 18,422.87-27,640.13-6,576.38

Finding the Fourth Proportional to 18,422.87, 27,640.13 and 6,576.38

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Solution

The fourth proportional to 18,422.87, 27,640.13 and 6,576.38 is: 9,866.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,422.87 : 27,640.13 = 6,576.38 : x
  2. Step 2: Convert to fraction form
    18,422.87/27,640.13 = 6,576.38/x
  3. Step 3: Cross multiply
    18,422.87x = 27,640.13 × 6,576.38
  4. Step 4: Simplify right side
    18,422.87x = 181,771,908.45
  5. Step 5: Solve for x
    x = 181,771,908.45/18,422.87
  6. Step 6: Final answer
    x = 9,866.65

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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.