Home / 12,694.49-17,519.39-7,029.77

Finding the Fourth Proportional to 12,694.49, 17,519.39 and 7,029.77

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Solution

The fourth proportional to 12,694.49, 17,519.39 and 7,029.77 is: 9,701.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,694.49 : 17,519.39 = 7,029.77 : x
  2. Step 2: Convert to fraction form
    12,694.49/17,519.39 = 7,029.77/x
  3. Step 3: Cross multiply
    12,694.49x = 17,519.39 × 7,029.77
  4. Step 4: Simplify right side
    12,694.49x = 123,157,159.49
  5. Step 5: Solve for x
    x = 123,157,159.49/12,694.49
  6. Step 6: Final answer
    x = 9,701.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.