Home / 10,684.37-16,028.10-3,289.47

Finding the Fourth Proportional to 10,684.37, 16,028.10 and 3,289.47

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Solution

The fourth proportional to 10,684.37, 16,028.10 and 3,289.47 is: 4,934.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,684.37 : 16,028.10 = 3,289.47 : x
  2. Step 2: Convert to fraction form
    10,684.37/16,028.10 = 3,289.47/x
  3. Step 3: Cross multiply
    10,684.37x = 16,028.10 × 3,289.47
  4. Step 4: Simplify right side
    10,684.37x = 52,723,954.11
  5. Step 5: Solve for x
    x = 52,723,954.11/10,684.37
  6. Step 6: Final answer
    x = 4,934.68

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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.