Home / 13,817.25-20,708.55-5,910.49

Finding the Fourth Proportional to 13,817.25, 20,708.55 and 5,910.49

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Solution

The fourth proportional to 13,817.25, 20,708.55 and 5,910.49 is: 8,858.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,817.25 : 20,708.55 = 5,910.49 : x
  2. Step 2: Convert to fraction form
    13,817.25/20,708.55 = 5,910.49/x
  3. Step 3: Cross multiply
    13,817.25x = 20,708.55 × 5,910.49
  4. Step 4: Simplify right side
    13,817.25x = 122,397,677.69
  5. Step 5: Solve for x
    x = 122,397,677.69/13,817.25
  6. Step 6: Final answer
    x = 8,858.32

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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.