Home / 12,628.10-17,426.89-6,963.05

Finding the Fourth Proportional to 12,628.10, 17,426.89 and 6,963.05

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Solution

The fourth proportional to 12,628.10, 17,426.89 and 6,963.05 is: 9,609.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,628.10 : 17,426.89 = 6,963.05 : x
  2. Step 2: Convert to fraction form
    12,628.10/17,426.89 = 6,963.05/x
  3. Step 3: Cross multiply
    12,628.10x = 17,426.89 × 6,963.05
  4. Step 4: Simplify right side
    12,628.10x = 121,344,219.28
  5. Step 5: Solve for x
    x = 121,344,219.28/12,628.10
  6. Step 6: Final answer
    x = 9,609.07

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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.