Home / 11,351.43-15,662.67-6,634.80

Finding the Fourth Proportional to 11,351.43, 15,662.67 and 6,634.80

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Solution

The fourth proportional to 11,351.43, 15,662.67 and 6,634.80 is: 9,154.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,351.43 : 15,662.67 = 6,634.80 : x
  2. Step 2: Convert to fraction form
    11,351.43/15,662.67 = 6,634.80/x
  3. Step 3: Cross multiply
    11,351.43x = 15,662.67 × 6,634.80
  4. Step 4: Simplify right side
    11,351.43x = 103,918,682.92
  5. Step 5: Solve for x
    x = 103,918,682.92/11,351.43
  6. Step 6: Final answer
    x = 9,154.68

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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.