Home / 18,382.04-27,576.10-7,288.79

Finding the Fourth Proportional to 18,382.04, 27,576.10 and 7,288.79

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Solution

The fourth proportional to 18,382.04, 27,576.10 and 7,288.79 is: 10,934.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382.04 : 27,576.10 = 7,288.79 : x
  2. Step 2: Convert to fraction form
    18,382.04/27,576.10 = 7,288.79/x
  3. Step 3: Cross multiply
    18,382.04x = 27,576.10 × 7,288.79
  4. Step 4: Simplify right side
    18,382.04x = 200,996,232.15
  5. Step 5: Solve for x
    x = 200,996,232.15/18,382.04
  6. Step 6: Final answer
    x = 10,934.38

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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.