Home / 12,650.05-18,975.33-4,339.62

Finding the Fourth Proportional to 12,650.05, 18,975.33 and 4,339.62

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Solution

The fourth proportional to 12,650.05, 18,975.33 and 4,339.62 is: 6,509.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.05 : 18,975.33 = 4,339.62 : x
  2. Step 2: Convert to fraction form
    12,650.05/18,975.33 = 4,339.62/x
  3. Step 3: Cross multiply
    12,650.05x = 18,975.33 × 4,339.62
  4. Step 4: Simplify right side
    12,650.05x = 82,345,615.85
  5. Step 5: Solve for x
    x = 82,345,615.85/12,650.05
  6. Step 6: Final answer
    x = 6,509.51

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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.