Home / 12,451.94-18,678.84-4,556.30

Finding the Fourth Proportional to 12,451.94, 18,678.84 and 4,556.30

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Solution

The fourth proportional to 12,451.94, 18,678.84 and 4,556.30 is: 6,834.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451.94 : 18,678.84 = 4,556.30 : x
  2. Step 2: Convert to fraction form
    12,451.94/18,678.84 = 4,556.30/x
  3. Step 3: Cross multiply
    12,451.94x = 18,678.84 × 4,556.30
  4. Step 4: Simplify right side
    12,451.94x = 85,106,398.69
  5. Step 5: Solve for x
    x = 85,106,398.69/12,451.94
  6. Step 6: Final answer
    x = 6,834.79

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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.