Home / 10,860.75-16,292.75-3,936.87

Finding the Fourth Proportional to 10,860.75, 16,292.75 and 3,936.87

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Solution

The fourth proportional to 10,860.75, 16,292.75 and 3,936.87 is: 5,905.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.75 : 16,292.75 = 3,936.87 : x
  2. Step 2: Convert to fraction form
    10,860.75/16,292.75 = 3,936.87/x
  3. Step 3: Cross multiply
    10,860.75x = 16,292.75 × 3,936.87
  4. Step 4: Simplify right side
    10,860.75x = 64,142,419.01
  5. Step 5: Solve for x
    x = 64,142,419.01/10,860.75
  6. Step 6: Final answer
    x = 5,905.89

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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.