Home / 13,151.41-19,727.16-3,290.66

Finding the Fourth Proportional to 13,151.41, 19,727.16 and 3,290.66

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Solution

The fourth proportional to 13,151.41, 19,727.16 and 3,290.66 is: 4,936.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151.41 : 19,727.16 = 3,290.66 : x
  2. Step 2: Convert to fraction form
    13,151.41/19,727.16 = 3,290.66/x
  3. Step 3: Cross multiply
    13,151.41x = 19,727.16 × 3,290.66
  4. Step 4: Simplify right side
    13,151.41x = 64,915,277.69
  5. Step 5: Solve for x
    x = 64,915,277.69/13,151.41
  6. Step 6: Final answer
    x = 4,936.00

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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.