Home / 12,726.04-17,561.58-7,694.44

Finding the Fourth Proportional to 12,726.04, 17,561.58 and 7,694.44

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Solution

The fourth proportional to 12,726.04, 17,561.58 and 7,694.44 is: 10,618.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726.04 : 17,561.58 = 7,694.44 : x
  2. Step 2: Convert to fraction form
    12,726.04/17,561.58 = 7,694.44/x
  3. Step 3: Cross multiply
    12,726.04x = 17,561.58 × 7,694.44
  4. Step 4: Simplify right side
    12,726.04x = 135,126,523.62
  5. Step 5: Solve for x
    x = 135,126,523.62/12,726.04
  6. Step 6: Final answer
    x = 10,618.11

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1.5x scale

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.