Home / 13,144.13-19,716.20-3,910.13

Finding the Fourth Proportional to 13,144.13, 19,716.20 and 3,910.13

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Solution

The fourth proportional to 13,144.13, 19,716.20 and 3,910.13 is: 5,865.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,144.13 : 19,716.20 = 3,910.13 : x
  2. Step 2: Convert to fraction form
    13,144.13/19,716.20 = 3,910.13/x
  3. Step 3: Cross multiply
    13,144.13x = 19,716.20 × 3,910.13
  4. Step 4: Simplify right side
    13,144.13x = 77,092,905.11
  5. Step 5: Solve for x
    x = 77,092,905.11/13,144.13
  6. Step 6: Final answer
    x = 5,865.20

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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.