Home / 18,147.16-27,213.72-6,297.40

Finding the Fourth Proportional to 18,147.16, 27,213.72 and 6,297.40

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Solution

The fourth proportional to 18,147.16, 27,213.72 and 6,297.40 is: 9,443.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147.16 : 27,213.72 = 6,297.40 : x
  2. Step 2: Convert to fraction form
    18,147.16/27,213.72 = 6,297.40/x
  3. Step 3: Cross multiply
    18,147.16x = 27,213.72 × 6,297.40
  4. Step 4: Simplify right side
    18,147.16x = 171,375,680.33
  5. Step 5: Solve for x
    x = 171,375,680.33/18,147.16
  6. Step 6: Final answer
    x = 9,443.66

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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.