Home / 13,151.66-19,727.54-3,290.91

Finding the Fourth Proportional to 13,151.66, 19,727.54 and 3,290.91

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Solution

The fourth proportional to 13,151.66, 19,727.54 and 3,290.91 is: 4,936.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151.66 : 19,727.54 = 3,290.91 : x
  2. Step 2: Convert to fraction form
    13,151.66/19,727.54 = 3,290.91/x
  3. Step 3: Cross multiply
    13,151.66x = 19,727.54 × 3,290.91
  4. Step 4: Simplify right side
    13,151.66x = 64,921,443.57
  5. Step 5: Solve for x
    x = 64,921,443.57/13,151.66
  6. Step 6: Final answer
    x = 4,936.37

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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.