Home / 18,181.16-27,271.74-5,702.28

Finding the Fourth Proportional to 18,181.16, 27,271.74 and 5,702.28

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Solution

The fourth proportional to 18,181.16, 27,271.74 and 5,702.28 is: 8,553.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181.16 : 27,271.74 = 5,702.28 : x
  2. Step 2: Convert to fraction form
    18,181.16/27,271.74 = 5,702.28/x
  3. Step 3: Cross multiply
    18,181.16x = 27,271.74 × 5,702.28
  4. Step 4: Simplify right side
    18,181.16x = 155,511,138.01
  5. Step 5: Solve for x
    x = 155,511,138.01/18,181.16
  6. Step 6: Final answer
    x = 8,553.42

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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.