Home / 12,180.92-18,277.18-6,634.04

Finding the Fourth Proportional to 12,180.92, 18,277.18 and 6,634.04

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Solution

The fourth proportional to 12,180.92, 18,277.18 and 6,634.04 is: 9,954.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,180.92 : 18,277.18 = 6,634.04 : x
  2. Step 2: Convert to fraction form
    12,180.92/18,277.18 = 6,634.04/x
  3. Step 3: Cross multiply
    12,180.92x = 18,277.18 × 6,634.04
  4. Step 4: Simplify right side
    12,180.92x = 121,251,543.21
  5. Step 5: Solve for x
    x = 121,251,543.21/12,180.92
  6. Step 6: Final answer
    x = 9,954.22

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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.