Home / 12,628.30-17,426.36-6,963.04

Finding the Fourth Proportional to 12,628.30, 17,426.36 and 6,963.04

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Solution

The fourth proportional to 12,628.30, 17,426.36 and 6,963.04 is: 9,608.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,628.30 : 17,426.36 = 6,963.04 : x
  2. Step 2: Convert to fraction form
    12,628.30/17,426.36 = 6,963.04/x
  3. Step 3: Cross multiply
    12,628.30x = 17,426.36 × 6,963.04
  4. Step 4: Simplify right side
    12,628.30x = 121,340,319.79
  5. Step 5: Solve for x
    x = 121,340,319.79/12,628.30
  6. Step 6: Final answer
    x = 9,608.61

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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.