Home / 13,268.67-19,903.02-3,908.81

Finding the Fourth Proportional to 13,268.67, 19,903.02 and 3,908.81

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Solution

The fourth proportional to 13,268.67, 19,903.02 and 3,908.81 is: 5,863.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.67 : 19,903.02 = 3,908.81 : x
  2. Step 2: Convert to fraction form
    13,268.67/19,903.02 = 3,908.81/x
  3. Step 3: Cross multiply
    13,268.67x = 19,903.02 × 3,908.81
  4. Step 4: Simplify right side
    13,268.67x = 77,797,024.09
  5. Step 5: Solve for x
    x = 77,797,024.09/13,268.67
  6. Step 6: Final answer
    x = 5,863.21

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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.