Home / 18,181.51-27,271.43-6,338.00

Finding the Fourth Proportional to 18,181.51, 27,271.43 and 6,338.00

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Solution

The fourth proportional to 18,181.51, 27,271.43 and 6,338.00 is: 9,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181.51 : 27,271.43 = 6,338.00 : x
  2. Step 2: Convert to fraction form
    18,181.51/27,271.43 = 6,338.00/x
  3. Step 3: Cross multiply
    18,181.51x = 27,271.43 × 6,338.00
  4. Step 4: Simplify right side
    18,181.51x = 172,846,265.85
  5. Step 5: Solve for x
    x = 172,846,265.85/18,181.51
  6. Step 6: Final answer
    x = 9,506.70

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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.