Home / 11,331.30-16,982.52-6,403.69

Finding the Fourth Proportional to 11,331.30, 16,982.52 and 6,403.69

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Solution

The fourth proportional to 11,331.30, 16,982.52 and 6,403.69 is: 9,597.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.30 : 16,982.52 = 6,403.69 : x
  2. Step 2: Convert to fraction form
    11,331.30/16,982.52 = 6,403.69/x
  3. Step 3: Cross multiply
    11,331.30x = 16,982.52 × 6,403.69
  4. Step 4: Simplify right side
    11,331.30x = 108,750,793.50
  5. Step 5: Solve for x
    x = 108,750,793.50/11,331.30
  6. Step 6: Final answer
    x = 9,597.38

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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.