Home / 13,170.26-19,755.75-4,404.86

Finding the Fourth Proportional to 13,170.26, 19,755.75 and 4,404.86

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Solution

The fourth proportional to 13,170.26, 19,755.75 and 4,404.86 is: 6,607.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170.26 : 19,755.75 = 4,404.86 : x
  2. Step 2: Convert to fraction form
    13,170.26/19,755.75 = 4,404.86/x
  3. Step 3: Cross multiply
    13,170.26x = 19,755.75 × 4,404.86
  4. Step 4: Simplify right side
    13,170.26x = 87,021,312.95
  5. Step 5: Solve for x
    x = 87,021,312.95/13,170.26
  6. Step 6: Final answer
    x = 6,607.41

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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.