Home / 9,142.12-13,697.43-6,174.04

Finding the Fourth Proportional to 9,142.12, 13,697.43 and 6,174.04

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Solution

The fourth proportional to 9,142.12, 13,697.43 and 6,174.04 is: 9,250.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.12 : 13,697.43 = 6,174.04 : x
  2. Step 2: Convert to fraction form
    9,142.12/13,697.43 = 6,174.04/x
  3. Step 3: Cross multiply
    9,142.12x = 13,697.43 × 6,174.04
  4. Step 4: Simplify right side
    9,142.12x = 84,568,480.72
  5. Step 5: Solve for x
    x = 84,568,480.72/9,142.12
  6. Step 6: Final answer
    x = 9,250.42

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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.