Home / 8,174.18-11,244.97-7,161.33

Finding the Fourth Proportional to 8,174.18, 11,244.97 and 7,161.33

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Solution

The fourth proportional to 8,174.18, 11,244.97 and 7,161.33 is: 9,851.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.18 : 11,244.97 = 7,161.33 : x
  2. Step 2: Convert to fraction form
    8,174.18/11,244.97 = 7,161.33/x
  3. Step 3: Cross multiply
    8,174.18x = 11,244.97 × 7,161.33
  4. Step 4: Simplify right side
    8,174.18x = 80,528,941.01
  5. Step 5: Solve for x
    x = 80,528,941.01/8,174.18
  6. Step 6: Final answer
    x = 9,851.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.