Home / 11,355.93-17,021.30-8,573.58

Finding the Fourth Proportional to 11,355.93, 17,021.30 and 8,573.58

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Solution

The fourth proportional to 11,355.93, 17,021.30 and 8,573.58 is: 12,850.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355.93 : 17,021.30 = 8,573.58 : x
  2. Step 2: Convert to fraction form
    11,355.93/17,021.30 = 8,573.58/x
  3. Step 3: Cross multiply
    11,355.93x = 17,021.30 × 8,573.58
  4. Step 4: Simplify right side
    11,355.93x = 145,933,434.39
  5. Step 5: Solve for x
    x = 145,933,434.39/11,355.93
  6. Step 6: Final answer
    x = 12,850.86

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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.