Home / 18,338.05-27,511.94-7,242.04

Finding the Fourth Proportional to 18,338.05, 27,511.94 and 7,242.04

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Solution

The fourth proportional to 18,338.05, 27,511.94 and 7,242.04 is: 10,864.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.05 : 27,511.94 = 7,242.04 : x
  2. Step 2: Convert to fraction form
    18,338.05/27,511.94 = 7,242.04/x
  3. Step 3: Cross multiply
    18,338.05x = 27,511.94 × 7,242.04
  4. Step 4: Simplify right side
    18,338.05x = 199,242,569.96
  5. Step 5: Solve for x
    x = 199,242,569.96/18,338.05
  6. Step 6: Final answer
    x = 10,864.98

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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.