Home / 11,950.81-17,926.28-3,185.70

Finding the Fourth Proportional to 11,950.81, 17,926.28 and 3,185.70

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Solution

The fourth proportional to 11,950.81, 17,926.28 and 3,185.70 is: 4,778.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,950.81 : 17,926.28 = 3,185.70 : x
  2. Step 2: Convert to fraction form
    11,950.81/17,926.28 = 3,185.70/x
  3. Step 3: Cross multiply
    11,950.81x = 17,926.28 × 3,185.70
  4. Step 4: Simplify right side
    11,950.81x = 57,107,678.99
  5. Step 5: Solve for x
    x = 57,107,678.99/11,950.81
  6. Step 6: Final answer
    x = 4,778.56

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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.