Home / 8,126.26-12,192.10-5,493.65

Finding the Fourth Proportional to 8,126.26, 12,192.10 and 5,493.65

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Solution

The fourth proportional to 8,126.26, 12,192.10 and 5,493.65 is: 8,242.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.26 : 12,192.10 = 5,493.65 : x
  2. Step 2: Convert to fraction form
    8,126.26/12,192.10 = 5,493.65/x
  3. Step 3: Cross multiply
    8,126.26x = 12,192.10 × 5,493.65
  4. Step 4: Simplify right side
    8,126.26x = 66,979,055.47
  5. Step 5: Solve for x
    x = 66,979,055.47/8,126.26
  6. Step 6: Final answer
    x = 8,242.30

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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.