Home / 12,179.92-18,275.68-6,633.04

Finding the Fourth Proportional to 12,179.92, 18,275.68 and 6,633.04

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Solution

The fourth proportional to 12,179.92, 18,275.68 and 6,633.04 is: 9,952.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179.92 : 18,275.68 = 6,633.04 : x
  2. Step 2: Convert to fraction form
    12,179.92/18,275.68 = 6,633.04/x
  3. Step 3: Cross multiply
    12,179.92x = 18,275.68 × 6,633.04
  4. Step 4: Simplify right side
    12,179.92x = 121,223,316.47
  5. Step 5: Solve for x
    x = 121,223,316.47/12,179.92
  6. Step 6: Final answer
    x = 9,952.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.