Home / 11,590.37-17,385.60-5,745.61

Finding the Fourth Proportional to 11,590.37, 17,385.60 and 5,745.61

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Solution

The fourth proportional to 11,590.37, 17,385.60 and 5,745.61 is: 8,618.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,590.37 : 17,385.60 = 5,745.61 : x
  2. Step 2: Convert to fraction form
    11,590.37/17,385.60 = 5,745.61/x
  3. Step 3: Cross multiply
    11,590.37x = 17,385.60 × 5,745.61
  4. Step 4: Simplify right side
    11,590.37x = 99,890,877.22
  5. Step 5: Solve for x
    x = 99,890,877.22/11,590.37
  6. Step 6: Final answer
    x = 8,618.44

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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.