Home / 18,387.92-27,583.50-5,240

Finding the Fourth Proportional to 18,387.92, 27,583.50 and 5,240

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Solution

The fourth proportional to 18,387.92, 27,583.50 and 5,240 is: 7,860.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,387.92 : 27,583.50 = 5,240 : x
  2. Step 2: Convert to fraction form
    18,387.92/27,583.50 = 5,240/x
  3. Step 3: Cross multiply
    18,387.92x = 27,583.50 × 5,240
  4. Step 4: Simplify right side
    18,387.92x = 144,537,540
  5. Step 5: Solve for x
    x = 144,537,540/18,387.92
  6. Step 6: Final answer
    x = 7,860.46

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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.