Home / 12,797.19-17,669.12-8,976.94

Finding the Fourth Proportional to 12,797.19, 17,669.12 and 8,976.94

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Solution

The fourth proportional to 12,797.19, 17,669.12 and 8,976.94 is: 12,394.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,797.19 : 17,669.12 = 8,976.94 : x
  2. Step 2: Convert to fraction form
    12,797.19/17,669.12 = 8,976.94/x
  3. Step 3: Cross multiply
    12,797.19x = 17,669.12 × 8,976.94
  4. Step 4: Simplify right side
    12,797.19x = 158,614,585.21
  5. Step 5: Solve for x
    x = 158,614,585.21/12,797.19
  6. Step 6: Final answer
    x = 12,394.49

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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.