Home / 11,552.22-17,321.85-7,859.43

Finding the Fourth Proportional to 11,552.22, 17,321.85 and 7,859.43

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Solution

The fourth proportional to 11,552.22, 17,321.85 and 7,859.43 is: 11,784.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,552.22 : 17,321.85 = 7,859.43 : x
  2. Step 2: Convert to fraction form
    11,552.22/17,321.85 = 7,859.43/x
  3. Step 3: Cross multiply
    11,552.22x = 17,321.85 × 7,859.43
  4. Step 4: Simplify right side
    11,552.22x = 136,139,867.55
  5. Step 5: Solve for x
    x = 136,139,867.55/11,552.22
  6. Step 6: Final answer
    x = 11,784.74

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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.