Home / 12,651.05-18,960.18-6,800.83

Finding the Fourth Proportional to 12,651.05, 18,960.18 and 6,800.83

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Solution

The fourth proportional to 12,651.05, 18,960.18 and 6,800.83 is: 10,192.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,651.05 : 18,960.18 = 6,800.83 : x
  2. Step 2: Convert to fraction form
    12,651.05/18,960.18 = 6,800.83/x
  3. Step 3: Cross multiply
    12,651.05x = 18,960.18 × 6,800.83
  4. Step 4: Simplify right side
    12,651.05x = 128,944,888.05
  5. Step 5: Solve for x
    x = 128,944,888.05/12,651.05
  6. Step 6: Final answer
    x = 10,192.42

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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.