Home / 13,282.89-19,926.96-3,923.07

Finding the Fourth Proportional to 13,282.89, 19,926.96 and 3,923.07

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Solution

The fourth proportional to 13,282.89, 19,926.96 and 3,923.07 is: 5,885.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.89 : 19,926.96 = 3,923.07 : x
  2. Step 2: Convert to fraction form
    13,282.89/19,926.96 = 3,923.07/x
  3. Step 3: Cross multiply
    13,282.89x = 19,926.96 × 3,923.07
  4. Step 4: Simplify right side
    13,282.89x = 78,174,858.97
  5. Step 5: Solve for x
    x = 78,174,858.97/13,282.89
  6. Step 6: Final answer
    x = 5,885.38

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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.