Home / 12,556.68-18,830.19-4,234.47

Finding the Fourth Proportional to 12,556.68, 18,830.19 and 4,234.47

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Solution

The fourth proportional to 12,556.68, 18,830.19 and 4,234.47 is: 6,350.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.68 : 18,830.19 = 4,234.47 : x
  2. Step 2: Convert to fraction form
    12,556.68/18,830.19 = 4,234.47/x
  3. Step 3: Cross multiply
    12,556.68x = 18,830.19 × 4,234.47
  4. Step 4: Simplify right side
    12,556.68x = 79,735,874.65
  5. Step 5: Solve for x
    x = 79,735,874.65/12,556.68
  6. Step 6: Final answer
    x = 6,350.08

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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.