Home / 13,252.77-19,878.95-3,391.97

Finding the Fourth Proportional to 13,252.77, 19,878.95 and 3,391.97

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Solution

The fourth proportional to 13,252.77, 19,878.95 and 3,391.97 is: 5,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.77 : 19,878.95 = 3,391.97 : x
  2. Step 2: Convert to fraction form
    13,252.77/19,878.95 = 3,391.97/x
  3. Step 3: Cross multiply
    13,252.77x = 19,878.95 × 3,391.97
  4. Step 4: Simplify right side
    13,252.77x = 67,428,711.12
  5. Step 5: Solve for x
    x = 67,428,711.12/13,252.77
  6. Step 6: Final answer
    x = 5,087.90

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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.