Home / 11,329.07-16,979.22-6,401.46

Finding the Fourth Proportional to 11,329.07, 16,979.22 and 6,401.46

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Solution

The fourth proportional to 11,329.07, 16,979.22 and 6,401.46 is: 9,594.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.07 : 16,979.22 = 6,401.46 : x
  2. Step 2: Convert to fraction form
    11,329.07/16,979.22 = 6,401.46/x
  3. Step 3: Cross multiply
    11,329.07x = 16,979.22 × 6,401.46
  4. Step 4: Simplify right side
    11,329.07x = 108,691,861.33
  5. Step 5: Solve for x
    x = 108,691,861.33/11,329.07
  6. Step 6: Final answer
    x = 9,594.07

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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.