Home / 13,144.48-19,715.44-3,910.56

Finding the Fourth Proportional to 13,144.48, 19,715.44 and 3,910.56

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Solution

The fourth proportional to 13,144.48, 19,715.44 and 3,910.56 is: 5,865.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,144.48 : 19,715.44 = 3,910.56 : x
  2. Step 2: Convert to fraction form
    13,144.48/19,715.44 = 3,910.56/x
  3. Step 3: Cross multiply
    13,144.48x = 19,715.44 × 3,910.56
  4. Step 4: Simplify right side
    13,144.48x = 77,098,411.05
  5. Step 5: Solve for x
    x = 77,098,411.05/13,144.48
  6. Step 6: Final answer
    x = 5,865.46

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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.